We tend to think of racism isolated from the whole of societal structure. Classism is little known or accepted by Americans as fact. A more engaged understanding of history concerning the foundation of America exposes the fact of classism and it’s roots. Europeans brought their class structure and the ideologies associated with it to America. Classism has evolved. We no longer identify with lords, barons, serfs. We’ve traded it for black, white trash, landlord, governor, CEO.
My opinion as a European — Pole, to be precise — is that classism is underappreciated these days by pretty much anyone. It is also believed to be somewhat acceptable, or at least not falling under the typical societal and legal injuctions against discrimination.
In terms of social structure, yes, America did not have barons, lords, etc., as in actual British peers living in the colonies at the time of the Revolution, expect for perhaps one or two people. But the upper class or the landed gentry was broader than just the titled folks. Even among otherwise untitled ‘esquires’ one person could have been a single-manor squire, whereas another could have been a lord in all things but name, hence much stratification existed.
I’m not sure about all of Europe, but in my country certainly there is a lot of people feeling better than their neighbours because of having more education, more IQ, more foreign languages spoken, or just more money. And in other countries there seem to be some other such class lines, much of which you will simply feel when you run into people who presume themselves to be your betters and make you feel bad for it.
Looking at America’s problems from the outside, I would definitely not deny racism, as some of those problem seems to relate clearly and precisely to race (e.g. black people more afraid than white people to make potentially suspicious moves in a car park, almost regardless of social class), but a lot of the privilege talk seems to focus on the race while ignoring class issues.
In my own country, the intelligentsia seem to be looking for racism where there is none (kind of a witch hunt) while being oblivious to the classism practiced by themselves.