[nitrogen]

Does this make his opinion on Facebook or privacy or freedom any more correct or valid? No.

Respect for Stallman's opinions derives not from his code, but from his consistency in adhering to his (extreme) principles and correctly seeing how those principles are affected by new developments in technology.

He's right about DRM because DRM, not because Emacs. Time will show what else he's right about. Living like Stallman does may not be practical, but that doesn't make him wrong.