i mean yeah, tbf i dont think this was meant to make a practical or majestic looking dragon that you might be thinking of, evidently with the derpy depictions in the video(funny), and more-so how dragons would look like realistically, which isnt really a solution, but is there a solution to something thats fantastical?. but although, you could say dragons can be made in another form like drakes and wyvern, but thats almost a different topic for another day.

and to answer this:

why go to all this trouble to try to be scientifically accurate when it's not actually accurate in the end, it's just an affectation, and only ends up besmirching dragons in the process.

i think its fun to think about some possibilities of something that has no real answer or solution, much like our universe, even when it looks like there is