They can't separate themselves from their arguments so disagreeing with them is just the same as calling them names in their eyes.
Madness string 4263
Do they see the lethal insanity of a race to the brink of oblivion, and then over the edge? Apparently not. If they did, surely they wouldn't be racing to begin with. Or is it a simple failure of imagination? One doesn't like to think such a rudimentary failing could bring about the end...