There's kind of this real social pressure to not argue about things.
I can't do anything quietly anymore.
Everybody tells jokes, but we still need comedians.
A lot of people who work on open-source software don't mind making money elsewhere. They aren't anticommercial.
Wikis and social networking are just tools.
The core of Wikipedia is something people really believe in. That is too valuable for the world to screw it up.