I don't know what it is about YouTube videos that attracts the profanities and ranters.
But, anyway, if you ignore the comments, this -
https://www.youtube.com/watch?v=-K7q20VzwVs is a useful demonstration of how very large stones can be moved quite simply by a small number of people. Brute force is not necessary, except perhaps in (or on) the minds of the trad.archeos. Apologies if you've seen it before.