I see your point, but keep in mind that it's the B-type companies that go out of their way recruiting "MVP" type labor because they have already invested heavil

I see your point, but keep in mind that it's the B-type companies that go out of their way recruiting "MVP" type labor because they have already invested heavily in the technology, and/or because they believe it will give them a competitive edge. By the time the MVP is hired the company has already sold into the technology; his employment does not jeopardize anything, and there is no conflict of interest. If anything, his title and role merely reinforce their chosen technical ideology. It's the higher ranking officials and the C-suite that wine and dine with the vendor that you should worry about. Not the two-cent knowledge worker with the glorified MCSE certification.