Generally I'd share your sentiment, but FWIW Fred Wilson is not seen as your typical VC. He's probably as close to an ideal "nice" VC as you'll find if that's not a paradox
Regarding extinction I don't think so. Venture capital will always be needed in a capitalist society. The main problem we have now is the dollar system has so distorted the market there exists unmatched risk/reward ratios, unbalanced deals, moral hazards and all sorts of crappy finance related stuff.
Just imagine: there is more stock/IPO value in the *perceived hype* of a company than its track record of ever turning any profit at all. That wouldn't happen in a non-inflationary currency system.