Well I upvoted because this is an excellent question that has applications and relevance far beyond just the current Hamas atrocities.
Facing up to and dealing with the fact that a small percentage of any population is psychopathic (which is a rough clinical descriptor/ analogue for what the man in the street would call evil -lacking in conscience, empathy or morality) is something we do not do well, at least in the Western world, and it is something which we do need to grapple with. And when evil men gain power and set the social and cultural norms - as in 1930’s Germany - the larger population can be persuaded or at least coerced into doing evil. We’ve seen this before, from the Armenian genocide, the Nazi regime, Rwanda and now this
How did this ballroom get hired at such short notice?