I'm not trying to be mean, but right now my perception is that a guy with an MBA is probably not much more useful to a startup than a thoughtful guy who reads T

I'm not trying to be mean, but right now my perception is that a guy with an MBA is probably not much more useful to a startup than a thoughtful guy who reads TechCrunch and gets microeconomics. Could anyone summarize the core insights they got from their business education?