As a white male who's lived in the US most of his life, I confess that I read these articles about caste-based racism and comments with a measure of disbelief, because to me it is entirely invisible. Mind you, I first learned about India's discriminatory caste system in high school, so I've been aware of it and I know it's real, but it exists in an alternate dimension I simply can't see. I've never noticed people ask…
The US has its own very fine-calibrated class system from blue-blood to redneck that pretty much everyone is aware of.