That's basically segregation/caste systems and the foundation of ensuring that the rest of the population considers it "that groups problem." And a few short st

That's basically segregation/caste systems and the foundation of ensuring that the rest of the population considers it "that groups problem." And a few short steps from "god what is their problem." It's the opposite of what you want a group to do, which is to engage with the problem, internalize it and reduce barriers with other humans.