I believe the adolation of MBA's and their culture have been very bad for business in this country, and has been a sea change for the worse here in the last quarter century. I don't think it is a mere coincidence that their short-sighted focus has corresponded with a collapse of American manufacturing. I saw it somewhere I think in the WSJ some time ago that "If Thomas Edison had had an MBA working for him, he wouldn't have invented the Lightbulb, he's have invented the Bigger Candle" The skills you learn there are about being polished and not much else.
In my own experience, too many of the MBA's I have met have been clubby, ruthless, smug, arrogant little snotnoses, filled with their own sense of importance and self-worth.