Things like the Microsoft "professional engineer" who advises you at your invitation, and then sends e-mails behind your back to executives to inform them of his concern about the "business risks" of non-Microsoft technology choices.
That's really weird. Who finances these commissars? I mean, I've seen this sort of thing take place, but only when a two-letter consultancy was gunning to take over some director's entire department. What's in it for the commissar?