What really happened is he made some bad jokes 10 years ago when he was trying to make his way as an actor and director, maybe try to get noticed. Disney didn't care when they hired him, and they certainly had access to the same tweets everybody else had (and plenty of people on staff to look through whatever they wanted).
But worse than the sniping and public shaming is the loss of community. Not just that we seem to do be doing our best to say as much as we think we'll be allowed without being outcast from society, but that basically no one's listening on the network anymore.
It's been more than a week since I went from 27,000 tweets to one. No one's asked about it, publicly or privately. I've lost precisely two followers.
Maybe someday, the community-building will come back. Heck, maybe someday we'll see some civility again. But for now, in the words of the late, great Douglas Adams ...