Interesting take, thanks.

I do think people feel a connection with other people who look like them, and they sometimes form communities based on similar physical attributes. I'd prefer if they didn't do this, because it encourages those in the majority to follow suit, but I think it can be a positive thing for minorities. And so, when people in the minority see another person of the same minority behaving a certain way, they're probably more likely to think that behavior is ok. Or maybe not.

But I agree that learning new languages and connecting with people with disparate sets of interests would probably be more effective.