I had the privilege last night of attending a lecture given by Prof Sir John Kay (Obliquity, Radical Uncertainty, etc). He was scathing on two points: 1) the way the world changed in the 1970s from management as responsibility to leadership as prize, and 2) the abject failure of business schools to develop a serious body of knowledge. Taken together, business schools have become cash cows for universities while still being held in disdain by academia. This from the first dean of Oxford's Said Business School.
There was tremendous resistance to setting up that school both because of where the money came from but more so because of the possibility that the school would not actually be academic but more 'professional' instead. I can't comment on the former as it seems mostly just xenophobic but maybe there are other angles there. The latter is definitely a concern though.