They should have never let business schools into universities. This is the result, academia is now censored, for-profit, tepid corporatism. A factory of managers crushing creativity with the jackboot of workplace professionalism.
"The growth of administrative work has directly resulted from introducing corporate management techniques. Invariably, these are justified as ways of increasing efficiency and introducing competition at every level. What they end up meaning in practice is that everyone winds up spending most of their time trying to sell things: grant proposals; book proposals; assessments of students’ jobs and grant applications [...]" (http://thebaffler.com/past/of_flying_cars)
Doesn't answer your question, because it's about deeper institutional forces than the mere existence of business schools. But I found it an interesting read.
[1] http://www.veto.be/jg39/veto3914/ku-leuven-voert-machtsgreep...
The noble idea of a res publica litterarum, or a universitas scientiarum — it’s lost since the post-war baby boom.
Metrics, metrics, metrics... even if your metrics mean nothing at all, they're still very convincing!