> I can understand not permitting banter at work or in organizations. It makes some people uncomfortable. But what I can't understand is just allowing banter of some ideological bent.

I can. The point of "[only] allowing banter of [a particular] ideological bent" is to enforce conformity to that ideology. When that happens fairness isn't a priority.

> What bothers me is not the language, but the unfairness.

Me too.