Earlier quoted context omitted.
Again, maybe it was "hard to interact with him" only if one was unwilling to accept his difference?
This is just the same excuse as the age old "Boys will be boys" excuse. Just because somebody is different doesn't mean they can be a creep and general unpleasant person to work with, without there eventually being repercussions.
In my experience, the same sort of people who crusade against the Richard Stallmans of the world are the creepiest and by far most unpleasant to work with, yet they themselves are constantly being celebrated, uplifted, and raised into positions of real power and real harm.