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I use his software everyday, all day, as do billions of other people. His impact is unassailable. I had never heard of you before you decided to bad-mouth a colleague in public. If you felt bullied by him or anyone else, use it as fuel. Becoming the bully doesn't help anyone.
RMS wrote good code. Harvey Weinstein made good movies. Kevin Spacey is a good actor. Louis CK is a great comedian. Also, they did a lot of damage to people and are gross human beings. Greatness in one domain doesn't negate badness in another.
