I sat next to RMS for for several hours and overheard a few of his interactions with people. I've never seen him before or attended any of his talks, but now I never plan to. The guy is just a right dick. Plain and simple, he is rude, obnoxious and so full of himself I wanted to tell him to stuff it up his ass and he wasn't even talking to me. He has absolutely no social graces at all.
Yeah, he behaved quite bad and had bad manners. Didn't like his appearance. But his speech and ideas were great, even though he probably held this speech a thousand times and you could find similar speeches of him in the internet. Even though I wouldn't like to hang out with this arrogant guy, it was good that he held his speech though.