Anyway, as someone who has spent ten years on each coast, it's impossible to disagree with his overall sentiment. There's an energy and vitality in the bay area that is completely lacking in other places.
People love to talk about their local tech community, and I've found myself talking up Raleigh and Durham and the American Tobacco Campus and whatnot, but I know it's just a pale imitation.
Take some meetings with VCs in each location; the difference is eye-opening.