I feel we're riding a knife's edge and there's a hurricane brewing in the gulf of absurdity.
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Incidentally, I feel like this is why it is so hard to actually learn from history. You can read about the 1918 'Spanish' Flu, but you think "we're smarter now". etc.
Also, if your grandpa likes telling war stories, it's only because he survived.
It reveals something deep about the human condition. Auchwitz was a perfectly lovely place for many of the employees as long as they disassociated themselves from all the suffering and evil around them.