As for commentary, the best stuff aren't the comments on his blog but the intelligentsia suck-ups on Google+ arguing that the elites know best:
William Scott Lockwood III - “Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'”
― Isaac Asimov
Eric Raymond - +William Scott Lockwood III But, in fact, my "ignorance" may well be as good as your "knowledge" if the question at hand is one of values rather than facts. Asimov's error - typical of modern intellectuals - is to conflate those two circumstances.
Amazing how undemocratic some of these people are. They think they are smarter than you, and because of that they think they should control your life.