#if kuai liang was a real human being then i would opted for him to don't even bother with lin kuei

[cienie-isengardu]

Why should Kuai Liang even try or want to lead the people who: 1. Ran him and Tomas out of their home 2. Tried to kill him in his wedding 3. Attempted to or killed many of his friends?

Kuai has no footing there in Lin Kuei. They blindly followed Bi-Han to commit crimes in a cowardly ambush and most don't regret what they did after all if the dialogues are any indication. They're as bad as the old timeline Lin Kuei.

While Kuai Liang has to eventually unite both clans, now can't be the time. They've hurt and abused him too much.

Before I answer your very good question, let me preface it by saying this: I do not have a habit to base my judgment on source material I’m not familiar with, especially when the source in question is not even officially released yet. Thus I can’t and at this moment won’t address the Lin Kuei attack on Kuai Liang at his wedding, because - again, officially - it did not happen yet and so far beside spoilers and leaks I DID NOT READ, there is only Kuai Liang’s ending hinting at this upcoming confrontation that hardly looks like cowardly ambush, as both forces face each other while preparing themselves for fight.

Not saying leaks won’t turn out to be true, but I wish to see the storyline and examine source material to get the whole picture before leaping to any conclusion. The fandom is already emotionally explosive as it is and I do not wish to add fuel to it based on things I heard so far from other fans. So you need to forgive me skipping this certain part - once the NRS releases the expansion story mode we can happily come back to the matter.

Now, for the rest of your question, Lin Kuei hurting Kuai Liang is nothing new. His character arc in original and alternative timelines walked this road already. 

His own father, a Lin Kuei warrior himself, kidnapped Kuai Liang and Bi-Han, presumably killing the boys’ mother and younger sister in the process. He and his brother were forced into a clan that trained them into merciless assassins, taking away any chance for normal and safe childhood. After Bi-Han’s death, Kuai Liang was hunted down, his friends turned into soulless machines, or in an alternative timeline he himself became Cyber Sub-Zero against his will. And he still fought tooth and nail to take over this morally corrupt clan - a clan that hurted him emotionally and physically, a clan that exploited him and Bi-Han for literal decades. All to set Lin Kuei on a (more) righteous path. Because despite what happened, or how cold-hearted over the years Kuai Liang became, he cared for Lin Kuei. If not for people itself, then for principles like honor, legacy and duty. His dedication to the clan, the desire to reclaim lost honor and build a better future for his people overcame any other senses. 

Is that a realistic choice to make? In real life most likely not. If Kuai Liang was a real human being, then absolutely his safety and emotional peace of mind should come above any duty or responsibility to the family that on purpose hurted him and his friends. And the safety and people who deeply and sincerely care for him would be the thing I wished for him. But since Kuai Liang is fictional character and as such represents specific archetypes and themes that are part of bigger worldbuilding, I do think Netherrealm Studio’s eventual choice to remove Kuai Liang from his own legacy will simply not work. Not just from the perspective of the story but also from the perspective of MK1 Scorpion’s character arc. 

(And yes, I said I won’t judge characters and events on source material that isn’t even released yet and maybe the expansion story mode will provide rational and sensible reasons behind NRS’ choices. So this is less judging Kuai Liang as character for his (authors’) choice and more explaining my own feelings on the matter.)

I assume the question "Why should Kuai Liang even try or want to lead Lin Kuei" comes from my previously posted statement:

“But if Kuai Liang decided to not replace Bi-Han as Grandmaster and fulfill his duty, then half of the intros will sound very hypocritical of him, I think? Original/alternative Kuai Liang dedicated his life to reforming his clan because he cared for Lin Kuei. Scorpion!Kuai Liang appointing someone else to rule it is, wow, weird as hell. ”

and I stand by it. We all may argue over this or that character’s choice, but there is no doubt that Mortal Kombat has a certain theme assigned to each character. Kuai Liang’s from the start is “Honor” and “Duty”, be it to Earthrealm or father’s teaching.

A trait he shares with original/alternative Kuai Liang and ironically, the strong sense of duty is what he and MK1 Bi-Han have in common too. Their sense of duty is currently contradictory, but both brothers put duty to clan (Bi-Han) or to Earthrealm/tradition (Kuai Liang) over their own blood ties. Now, the thing with Scorpion is that available source material clearly states Kuai Liang:

Always wanted to be Lin Kuei and nothing else

Did not give up on Lin Kuei and is willing to battle with Bi-Han for control over the clan and brings it to its original purpose

This was established in

Scorpion’s Bio before the game even came out

Like his cherished father, Scorpion is dedicated to the Lin Kuei and its defense of Earthrealm. When his father died, Scorpion was bereft. Though he took pride in knowing that his brother, Sub-Zero, would succeed their father as the Lin Kuei's grandmaster. But Sub-Zero's unprecedented moves to cast off the Lin Kuei's traditional duties have frozen Scorpion's enthusiasm. He fears that one day he may have to battle his brother for control of the Lin Kuei's legacy.

hinted/ mentioned in the story mode itself

Kuai Liang: "I knew Bi-Han's frustrations ran deep. But I never thought they could inspire such madness. We can't let his corruption spread."

&

Tomas: "That the Lin Kuei won't aid us is unforgivable. Bi-Han has corrupted them totally." Kuai Liang: "When this crisis ends, we will deal with that one."

repeated in intro dialogues:

Raiden: Did you ever want to be an Earthrealm champion? Scorpion: I have only ever wanted to be Lin Kuei.

or

Geras: Your brother's Lin Kuei are an obstacle to peace. Scorpion: It is *my* duty to deal with them.

or

Scorpion: I fear the Lin Kuei is beyond redemption. Scorpion: Together, we will restore its honor.

or

Scorpion: From the ashes, the Lin Kuei will be reborn. Sub-Zero: Do not presume you can burn it down.

and again stated in Scorpion’s ending:

"No sooner had Titan Shang Tsung been defeated than Bi-Han and his loyalists hunted us down. Outnumbered, we fled to Japan. There we sought refuge from an old family friend. As children, we played together. But Harumi Shirai was a woman now, the head of her clan. Her strength, beauty, and intellect awed me. Also incensed by Bi-Han's betrayal, Harumi agreed to help me forge a new clan. One that would stand against him and defend Earthrealm. Her aid proved invaluable. And as time went on, we grew closer. To honor Harumi and pay respects to my new bride, I named the clan after her, calling it the Shirai Ryu. Now the battle against my brother begins in earnest. The Shirai Ryu won't rest until Bi-Han is defeated and the Lin Kuei's honor restored."

Current version of Kuai Liang is a mix of his original and Hasashi Hanzo’s traits, however despite the differences between MK1 and previous timelines, he never truly gave up on Lin Kuei. Shirai Ruy is a means to both protect Earthrealm and to bring back his original clan to its honorable roots. Even if we may argue Kuai Liang doesn’t care anymore for his rebellious brother or Lin Kuei warriors that hunted him and Tomas, Lin Kuei is still his rightful legacy - abandoning it completely, giving up on centuries old tradition would mean abandoning his cherished father and the man’s teachings. Something Kuai Liang refused to do repeatedly and was catalyst for the conflict between brothers.

So though it is understandable that Kuai Liang (and Tomas) may not wish to live with people that turned against him and brought so much misfortune - something that most sane humans would choose - he is still a Grandmaster’s son and pragmatic leader. The same as Bi-Han, Kuai Liang is a dutiful man that puts duty above personal feelings. Him letting Lin Kuei to be ruled by themselves (and in case of Cyrax, by one that once was Bi-Han’s absolute loyalist as stated by him in story mode) won’t resolve the conflict. The risk to Earthrealm will be still there, and any new conflict between Shirai Ryu and Lin Kuei will be in great part his fault. Because he had a chance to unite two clans into even greater power for Earthrealm’s sake yet choose the “easy way out” by putting someone else in position of power, I presume hoping said person will share his mindset. Not to mention that with Smoke and Harumi at his side, Kuai Liang has a trusted family to either entrust the new clan under their care or be protected by them while he is cleaning up the mess created by his brother. 

For me, Kuai Liang rejecting his duty as rightful heir (that allows him to actively control and redeem Lin Kuei), also rejects his loyalty and duty to late father, Liu Kang and Earthrealm’s safety. But above everything else it put the whole Scorpion’s character arc into question - what was the point of all of this if ultimetaly he did not fulfill his goal of bringing Lin Kuei back to its honorable ways and ensuring personally it stays the way for good? A goal so clearly established in source material? Does that sounds satisfactionally to anyone? To be invested into the crusade against corruption of cherished tradition and father’s teaching only for character to ditch the responsibility like it never mattered in the first place?

Of course, this is just my speculation and personal feelings. Maybe the expansion story will lay out a well-thought-out, logical course of events that will perfectly excuse the change in Scorpion’s character arc or what will be the final deal between Lin Kuei, Shirai Ryu and Liu Kang. I’m holding back my final judgment over it as much as I can, but to be honest, I’m a bit worried at the prospect that Kuai Liang can be removed permanently from his Lin Kuei’s Legacy.

In regard to: “They blindly followed Bi-Han to commit crimes in a cowardly ambush and most don't regret what they did after all if the dialogues are any indication. They're as bad as the old timeline Lin Kuei.” The same as withholding my judgment over the attack during Kuai Liang’s wedding, I have nothing to say at this moment about your statement. I did not read leaks and so far people threw spoilers at me that I have no will to research for confirmation, because again, I would like to experience the story mode as it is in the final form. Maybe the leaks provided enough data, but at this moment I personally did not read anything from Lin Kuei’s perspective that didn’t come from Bi-Han, Tomas or Kuai Liang. Still, I doubt MK1 Lin Kuei are even close to being as bad as the original clan. From what I know so far, Sub-Zero does not sell their skills for the best bidding the way assassin Lin Kuei did, so there is a reason to assume MK1 Bi-Han does not exploit its people the way original Sub-Zero brothers were. 

Though I think we could also argue that what people call “blindly following Sub-Zero” is less about enjoying the criminal activity on their part and more about fulfilling their duty, as Lin Kuei pledged to obey their leader. Which raises an interesting question, if personal morality should stand above one’s duty the way Kuai Liang and Tomas rejected Bi-Han, or it is the other way. I assume the answer will vary from one person and culture to another but the game most likely won’t explore this sadly.

Once the story is out, I’m more than happy to come back to discussion about Lin Kuei’s morality if anyone will be still interested 🙂