how do you do a 'scientific' study on a historical question? Did they simulate multiple worlds and do statistical analyses to see how societies develop? Of course not... this is an archaeological/historical question not a scientific one.
> accurate knowledge than dozens of people
Yes, if you look at experts outside the main Western academic circles, they're pretty much in agreement about it.
> either you're a genius or you severely overestimate yourself.
Actually, my main superpower is reading