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I think in this particular case, the guy was mentally ill and was out to kill someone because he was off his medication. I don't know if I'd call that fanaticism or not. He just struck out at the people he had been taught were evil all his life.
“War is an ugly thing but not the ugliest of things; the decayed and degraded state of moral and patriotic feelings which thinks that nothing is worth war is much worse.” —John Stuart Mill |