This is why it's important not to dehumanize our opponents. Nazis are not demons from Hell, they're regular people like us who, for so many different possible reasons, decided to support great evil. And yet, our response to an organized movement of Nazis must be as unflinching as would be our response to an invasion by demons from Hell. If we get it into our minds that they are inhuman monstrosities, it will be difficult not to hesitate when faced with the reality.

Hurting people is difficult. If you've never tried it, you'd be surprised just how strongly your own mind insists that you don't throw that punch, don't swing that bat, don't pull that trigger. If you're serious about defending yourself and others, you need to be prepared to hurt people. Not faceless monsters. And that is something which requires dedicated training.