The main methodological problem is how one can leave out like 40% of the United States, and say that the US comes on top (which it still doesn't!). Like, I'm not even questioning the racial split data, but selecting the two groups and saying that the US is the best is a weird flex that wouldn't pass muster in Stats 101.
I’m not leaving out anyone. What I’m saying is that each American group individually comes out out of top, relative to matching groups elsewhere, and the fact that overall we don’t, is just an example of Simpson’s paradox. American blacks and Hispanics are ahead of foreign blacks and Hispanics too, it’s not just whites and Asians.