Delusional arguments.
Out of the richest 1000 Americans how many are blacks? 1? 2?
And what's the % like in prisons?
Wasn't Oprah the only black billionaire in US like for a decade?
US attracts talents because there's much more money in US than elsewhere and the political and bureaucratic environment favors entrepreneurship.
Please quit lecturing people around the world bantering a moral ground you don't have.