"Political extremist" is an empty ad-hominem --- please point out specifically what views of his are so distasteful.
"Since 1920, the vast increase in welfare beneficiaries and the extension of the franchise to women — two constituencies that are notoriously tough for libertarians — have rendered the notion of “capitalist democracy” into an oxymoron."
I've only been around a few billionaires, but most of the multi-millionaires I've known pretty much toe the same schtick w/o the veneer of Ideology.
I'm working on something pretty awesome for which, for the first time, pitching it to YC seemed like it could be a good idea; to be honest, I wouldn't feel right doing that now with YC talking out both sides of its mouth.