Strange, socially awkward people who make other people uncomfortable to the point of triggering their threat responses tend not to keep their jobs for long in the real world. We even have a name for them: creeps.
There's a reason why codes of conduct, especially the Contributor Covenant, are de rigueur in the open source world. They help keep the creeps and the fash out, and make the work environment more harmonious.
RMS is a creep who's been grandfathered in because he came from a time when creeps were much more tolerated. Times have changed, and so have values. We are far less tolerant of creeps, no matter how talented they may otherwise be because they disrupt the working environment unacceptably. It's time for that grandfather clause to end.