- His "crime" was to play down an accusation on an acquaintance by arguing on the sense of words. It might have been insensitive (use your own judgement), but it's hardly heinous.
- As a mirror question, why waste so much time and energy trying to pull down someone that merely committed social gaffe? If people really have to hunt witches (they don't), they are some much scarier ones running around. Myself, I think it has to do with Stallman being an easy target.