[mikeash]

That's the first I've heard of it if so. For example, this statement which appears to have a lot of supporters in the community says nothing about hallway conversations, and merely objects to him being chosen as a speaker:

https://statement-on-lambdaconf.github.io

If it was, "this guy keeps harassing conference goers and holding unofficial mini sessions on how awesome racism is" then I might reconsider my position, but that's not what I've seen anybody (besides you, here, anyeay) say.