I'd also add - caste being a good proxy for class generally.. This fits with a saying I've seen thrown around about our modern times, which is basically that "

I'd also add - caste being a good proxy for class generally.. This fits with a saying I've seen thrown around about our modern times, which is basically that "Class is the only remaining non-taboo bias in American polite society". Living in a very blue city in a very blue state surrounded by highly educated, "social justice warrior" types .. you'd be surprised how quickly the same people who have every type of window decal/bumper sticker/flag, march in every sort of rally you can imagine, and earnestly support every anti-racism/DEI initiative under the sun.. are willing to "punch down" class-wise, as long as the lower class people are white.