"I'm tired of the assertion that someone who believes marriage should remain male-female is a hater and a bigot."

So are we all.

I remind you that the name-calling is an attempt to shut the other person up. It paints him as evil so that (first) no one will listen to his position and (second) no one who is forced to hear the position will credit anything he says.

So we have:
Poisoning the well
Demonizing
Discrediting
Attempt to silence the opposition
Ridiculing and or belittling
Nihilification
Cockblocking
Stonewalling

and, most significant of all

Playing a trump card over anything the opposition can say.

Prager keeps claiming that playing the race card is an attempt to avoid an argument. I believe that's only a small part of it. Those who fling the epithet "racist" at their debating opposition are trying to shut them up, shut them out of the debate, and play an Automatic-Win card, better known as a trump card.