There are lots of really smart Americans. But there are also lots of really ignorant ones. Sure one can say that applies to all countries. But not quite.

I elaborated more on this in my comparison of life in Scandinavia and the US. How America has a lot of mechanisms to amplify the differences between people.

https://erik-engheim.medium.com/is-scandinavia-better-to-live-in-than-the-usa-2064f6776eae