Yeah, RMS is a "nut job" alright. RMS developed the free software movement at great personal cost because he so strongly believed in it that he was intermittently homeless while tilting at these windmills.
Only a "nut job" would make a choice like that.
Joan of Arc was also a "nut job." She was an illiterate teenaged girl who felt compelled by hearing voices to put an end to The Hundred Years War and play handmaiden to the birth of modern France.
The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
-- George Bernard Shaw