Well see, that’s the thing: classes. There’s classes in the USA for sure and despite our rhetoric / propaganda ,there’s no crossing into the “blue bloods” classes from the “nuevo riche”, which is about as high as one can ascend really until several generations pass by.
People in the US suffer from a common delusion, that we’re all equal. Trump followers might be dead broke for generations but they believe they’re “one lucky break” away from standing next to him in the White House as one of his aides.
Meh, I dunno. Anyway you’re right. The addition I made probably isn’t universal. I figured things like bullying and gangs and stuff like that were pretty universal anytime you throw a bunch of random people together in one place for long enough time and if it happens when they’re kids, it can make some of them bittter and lash out on society, hence, crime.