You don't call someone a nazi because you dislike them, you do it to circumvent having to address the merits of their argument. It's a brilliant tactical ploy:

You don't call someone a nazi because you dislike them, you do it to circumvent having to address the merits of their argument. It's a brilliant tactical ploy: repurpose the atrocities of the holocaust (which thereby cheapens and lessens the event and its victims) to sling at your opponent.