To be able to indoctrinate a thousand people into being capable of the atrocities committed on October 7, you have to teach people from a very young age that the enemy is not human, but demons and that no form a violence is unacceptable to use against them. Hamas has been the government of Gaza (and therefore in control of the schools) for enough time to indoctrinate children from a very young age all the way up to adulthood.
If you’re looking for comparisons to Nazis, maybe consider applying some of those comparisons to the group whose goal is to kill Jews. Internet contrarianism is fun and all, but this has gotten out of hand.