Can You Build a Startup Ecosystem Outside the Valley?
instigatorblog.com
instigatorblog.com
Obviously that's not the only reason, but I think it's a factor.
But I totally agree, you've got to be a certain personality type to start a startup, and that kind of eccentricity usually finds a way of conglomerating together. That culture certainly does propagate itself; I know where I live, it's almost a taboo to start something yourself. I've never been to SF yet, but I get the feeling that it espouses a completely different kind of philosophy?