a.k.a. extremely selfish, manipulative and corrupted. Very hard to trust.
Actually, I find the place that I was raised around to be inferior in some ways to certain cultures and they are superior in certain ways. To think that just because a culture is not yours makes it inferior is close minded too. More people should read about it first and meet people from there.
Not everyone does it, it's more of a natural tendency than a generalized truth. From a psychological perspective, more than likely it's a natural instinct to think that way in order to better justify your mannerisms and existence.