Everything is America is about race
This kind of thinking is how you get trump 3.0 after you blame and alienate people who want their lives to improve.
I don't know why you got downvoted. If you don't believe this, read "Dying of Whiteness" by Jonathan Metzl. Something like 30% of this country will reject quality of life improvements for themselves if they see that it will also benefit people of other races who "don't deserve it".
*Everything in America is about class, with race as a frequent proxy for class
Fixed that for you
America does a better job at assimilating immigrants than most of the rest of the world. It’s just a very hard problem, and the US does more of it than anyone.