Many things, over many years. The free software community was deeply unhappy with him for a long while. Here's a subset: http://ebb.org/bkuhn/blog/2019/10/15/f

Many things, over many years. The free software community was deeply unhappy with him for a long while. Here's a subset: http://ebb.org/bkuhn/blog/2019/10/15/fsf-rms.html http://ebb.org/bkuhn/blog/2019/10/15/fsf-rms.html https://wingolog.org/archives/2019/10/08/thoughts-on-rms-and-gnu https://wingolog.org/archives/2019/10/08/thoughts-on-rms-and... https://mjg59.dreamwidth.org/52587.html https://mjg59.dreamwidth.org/52587.html https://news.ycombinator.com/item?id=25193674 https://news.ycombinator.com/item?id=25193674 https://news.ycombinator.com/item?id=21000374 https://news.ycombinator.com/item?id=21000374 The immediate pressure for him to resign was a media firestorm over his Epstein comments, but that wouldn't have done anything had he not already lost the support of the free software community by then. (BTW, the answer to why it's so hard: every single reply giving you an answer has been downvoted, and the only reply that's staying up is the one that implies people want to be vague. I've been getting downvoted for providing actual answers often enough that HN blocks me for commenting for a bit. So if you are having trouble finding answers, remember the reason is censorship.)