Two issues:

1. Most of history isn’t written, and when it has been, it was the ruling class that wrote it.
2. Most of, if not all, the world has been under a ruler of some form for the vast majority of it’s history

Don’t start thinking that Capitalism started with The Wealth of Nations. Greed has always been there, and it has always been rewarded.

Nothing new. The US has been losing scientist for decades. There is a reason so little innovation comes out of the States these days.