#if this block of text is too intimidating (absolutely valid) I'd sincerely recommend watching the video I've linked!

[lilflowerpot]

Since medicine is so advanced for the rest of the universe, how would Lotor and the rest of the Galra react to human medical practice? What would they think of surgery? What would they think of organ donors and transplants?

anon(cont.): I JUST SENT THE MEDICINE ASK AND THOUGHT OF ANOTHER ONE, WHAT WOULD THEY THINK OF BLOOD DRIVES?

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First thing’s first: are you familiar with the Kardashev Scale?

At a base level, the Kardashev Scale (proposed by Nikolai Kardashev in 1964) measures a civilisation's level of technological advancement on the basis of its energy consumption; though Kardashev himself proposed only Types I/II/III, others later proposed Types IV/V/Ω.

A Type I civilisation is able to use the available energy of their home planet. Within this (0.1-1.0) is encompassed anything from hunter-gatherer type civilisations, to civilisations perhaps 250 years beyond us in the present day. Humanity currently ranks at approximately a 0.75, as we've significantly altered our planet to suit our needs by creating large structures, mining mountains, removing rainforests, draining swamps, redirecting rivers, and creating reservoirs. Providing progress continues at its current rate (and we do not make Earth uninhabitable in the process), we will become a fully realised Type I civilisation within the next few centuries.

A Type II civilisation would be able to use the available energy of their star, and planetary system. So what we would expect from societies in this range (1.1-2.0) would be attempts to alter and mine other celestial bodies, establishing outposts, infrastructure, and industries outside of the home planet, progressing to establishing colonies, and terraforming other planets by altering their atmosphere, rotation, or position. Due to an obvious increase in energy consumption, they would likely then attempt to harness the energy of their local star by building a Dyson Swarm: structures orbiting a star to capture and harness its solar energy for redistribution depending on their needs.

A Type III civilisation would be able to use the available energy of their entire galaxy. This would require the harnessing of energy from other stars in other solar systems, and for a Type II civilisation, the distance to said stars might feel like the distance between Earth and Pluto does to us now: technically within reach, but only with immense investments in terms of time, ingenuity, and resources. So civilisations in this range (2.1-3.0) might discover new physics, understand and control dark matter and energy, be able to travel faster than light, or even utilise wormhole technology.

A Type IV civilisation would be able to use the energy of multiple galaxies. A civilisation classed as such (3.1-4.0) would have influence that extends over entire galaxy clusters.

A Type V civilisation would be able to use the energy of entire superclusters. A civilisation classed as such (4.1-5.0) would have influence that extends over structures comprising of thousands of galaxy clusters, and trillions of stars.

A Type Ω civilisation goes beyond anything we can realistically comprehend with our knowledge of the universe as it is today. They would potentially possess the ability to manipulate not only the entire universe, but possible other universes too. It has been proposed that any such civilisation might even be the actual creator of our universe!

Any civilisation of Type III and beyond would likely have an influence so all-encompassing with technology so far beyond our own, that were they anywhere near us the galaxy would flash with their activity in thousands of star systems, and so we would almost certainly be able to detect their artifacts or movements between different parts of their Empire. Even if they existed in the past and have since gone extinct, we would be able to observe the remnant of harvested stars, decaying megastructures, or scars of great interstellar wars.

Focusing all this within the realms of VLD, within canon we saw great diversity in how technologically advanced different planets and their people were: at one end of the spectrum we have the arusians (s01ep01) who, judging by their weaponry and housing, appear to be a relatively primitive society and would only rank at perhaps a 0.4 at most, while at the other we had the alteans, whose technology would see them solidly identified as a Type III (perhaps even Type IV!) civilisation due to their ability to use wormholes to travel across the entire universe, and the fact that their technology from literal millennia ago still holds its own against the galra's present-day advancements. The galra themselves would absolutely have to be considered a Type IV civilisation (somewhere in the 3.2-3.6 range, I think) due to the sheer scale of the Empire, and their ability to harness quintessence energy; even the Komar, barbaric as it is, highlights a level of technology beyond our comprehension wherein they're able to essentially convert entire plants into energy for their own purposes.

((Interestingly though, Voltron and Sincline would both be considered Type Ω advancements due to their ability to transcend the boundaries of our universe and enter into parallel realities (s03ep04 & s08ep12) so this really speaks volumes of the kind of power altean alchemy allowed one to wield... which is precisely why I have a certain Thoughts™ regarding both Oriande and the alteans as a whole, but you'll have to wait until we arrive at that point in LB's narrative for me to say any more on that front.))

But back to your actual question and the reason I'm telling you all of this: due to the range of societies and level of technologies that we witness in canon, and considering the Empire's unrivaled scope, I don't think the galra would necessarily have a strong reaction to human medical practices. Judging by the Kerberos mission, Earth in vld would just about be classified as a Type II civilisation (at a maximum of 1.2) as the Garrison has explicitly demonstrated that their technological capabilities extend to reaching the very outskirts of our solar system (Kerberos), initiating small-scale mining projects, and (if my memory's not failing me) I think that in one of the later series they even made an offhand mention of having established a research colony closer to home (on Mars?). So while we'd certainly seem primitive to the galra, we'd not be the least advanced people they've ever come across either, and at some point in history the galra themselves will have almost certainly used similar methods of surgery, transplants, and transfusions, because it's all part of the learning curve.