It predates that and has more to do with the issues that have been mentioned up thread
That stupid evil racial stuff has been around forever. Why d'ya think we needed to try things like affirmative action, diversity hiring and equal opportunity to deal with its evil consequences? Given the large sector that still whines and resists all change such imperfect tools will be needed a long while to come. Before you try to accuse the folks with a bit of grit in their eye of blindness, get busy getting the two by four outta your own.
I'd ask you to prove Americans already have opportunities equal to European-Americans and other immigrants, but I'm still waiting for you to cite what she did wrong. Beyond tall-tales.[/QUOTE]
The originally intentions of qouas, diversity hirings, and so on maybe have been noble, at least at first, but the results have disastrous, creating glass cliffs, and feeding the alt right.
You can't cure unfair discrimination with a different kind of unfair discrimination, they don't cancel each other out, inside that feed each other and grow, both becoming more malignant with time, and resentments on all sides grow till you have massive cultural rifts and huge polarization like we have now.