Is calling someone a racist not racist?

This story is indicative of the politically correct bullshit pervading our society. Calling someone a racist should not be an argument in itself. Even if I say I think I am better than you, so what? You have your existence to prove me wrong. If a person is going to constantly invoke the spectre racism to win an argument, I will start thinking this person is an idiot, unable to have a dialogue or argue a point.

Its like the Dark Ages, when blasphemy was invoked to settle a dispute. I thought we were over that.

I guess not