In a free society, people who don't like each other are more likely to cross paths without killing each other. A Nazi can decide if he wants to go to the Jew grocery store or do without bread. But in a socialist society, the Jew may have to hire the Nazi as a store employee. Now let's get back to the real world. Birds of a feather flock together, so you soon have cliques of winners vs. cliques of losers engaging in class warfare because they can't get away from each other.
Public schools are socialism at it's finest.
It's just some intellectual game to them. And if at first they don't succeed, they will certainly keep coming back like cockroaches when the kitchen light goes out. The Old Grouch is an American. They devised a system of government where the state served the people instead of the people making sacrifices for the greater good of the state.