Maybe he's very good? I have no idea who Colin is, but surely it's up to him what he charges. If it's too much then nobody will hire him. What's the problem?
The problem is that he edited his post after I posted my comment in order to conceal his pompous attitude that is ruining San Francisco and other great cities.
"I'm very good and very expensive. You probably can't afford me"
Well if the tech industry can't afford you, then you might want to become a lawyer, buddy. We don't need that pompous tech-valley-swag-trash in our industry.