epict

…[D]epict everyone who disagrees with you as the enemy. Then you explain how they’re systematically working to destroy everything you hold dear. It’s a war of values! Rational discussion is pointless! Our only hope is…antagonism, so we need…to keep up the fight!
— 

Bill Watterson, Calvin and Hobbes Book 11 “It’s a Magical World,” p. 64.

If this doesn’t describe the ace discourse, I don’t know what does.