Political correctness (borrowed from the Soviet system) has become part of middle-class manners in the US, i.e., what is fitting to express in a certain social circumstance in order not to lose your face. When a discussion is no longer about ideas but about manners and etiquette, the losing end, as it seems, has no way out. Now, you haven’t merely lost a fair game. You have shown bad manners, and you are expected to be ashamed of it and humbly seek repentance.
