The oppositions opening remarks do not, in fact, refute the motion. Instead of talking about how MBA's benefit the economy as a whole he talks about how MBA's benefit the individuals who obtain an MBA degree.
Anybody who has been on the receiving end of a frivolous lawsuit can understand how that's true for lawyers. But it's less obvious for MBAs. A good example, though, is Simmons Mattress:
http://www.nytimes.com/2009/10/05/business/economy/05simmons...