Not to downplay racism, but social mobility seems like a myth to me regardless. I know it’s anecdotal but I can count on one hand the number of people in the places I lived (most of them white) that have significantly bettered their financial situation, and at least one of those did so by marrying well. Even though the article says that 2 out of 3 white kids will escape the poverty of their youth, and I’ll trust their statistics, it’s hard to take any of that seriously when you’ve never actually seen such a thing.