>Until around 1998, my office at MIT was also my residence. I was even registered to vote from there. Nowadays I have a separate residence in Cambridge not far from MIT. However, I am rarely there, since I am nearly always travelling out of town.

https://www.stallman.org/rms-lifestyle.html

In general, there is a lot about RMS that runs contrary to societal norms. He marches to the beat of his own drummer.