I'm conflating multiple things over 5 years, my memory seems imperfect. Apologies.
What I've mixed together:
1) The "Alex" bot, which was opt-in and seemed to be everywhere. [0]
2) The "inclusive-coding-bot" which was not opt-in and just inserted itself into everything (which came out later). [1]
3) Github disabling a popular repository for using the word "Retard". [2]
Neither of the first two were actually endorsed by github, I just conflated them because of the "WebM for Retards" controversy and because they'd been very public about other inclusive things like not interviewing white people [3] or calling white women "some of the biggest barriers to progress are white women". [4]
[0]: https://github.com/get-alex/alex
[1]: https://github.com/inclusive-coding-bot
[2]: https://news.ycombinator.com/item?id=9966118
[3]: https://i.insider.com/56b3d2f12e526555008b505e?width=791
[4]: https://www.businessinsider.com/diversity-guru-discusses-whi...