Exactly, see my post 12. It isn’t just the Holocaust. We always made monsters out of our enemies. Japanese, Germans, Vietnamese, Russians. There is plenty of old propaganda with caricatures of our enemies as subhuman or monsters. Killing a human is immoral and repulsive. Make them less than human, and the task becomes much easier.
So what is it like killing another human being?
I don’t know. I’ve only killed commies