The theory in this video is undoubtedly correct.
Just as the entirety of Evolution followed the late Stephen Jay Gould’s theory of “Punctuated Equilibrium”, Civilization courses along ideal climate perturbations.
I also suspect that the occasional genius (perhaps appearing in clusters) prompted immense leaps in technology.
I don’t think we Evolved in the standard sense of evolution. I now strongly believe we were Genetically Modified over time one stage at a time. And each partial modification stage was allowed to prove itself and weed out the weak genes for a couple hundred thousand years before adding the next modification. Each consecutive altered hominid species replaced the prior. Until the final intended product was achieved... Homo Sapien-Sapien.
I think the Sumerians were absolutely right...