Part of the problem is that the best advice sounds aggressive or rude. What I'm thinking of is from bugzilla: 1. what did you do? 2. what did you get? 3. what did you expect? It's very hard to couch this politely enough for colleagues to take it on without a sense of resentment.
Those points are polite. If people get resentful when you ask for data, the solution is to have a discussion about their poor attitude. Most large companies I've been at are terrible at this. They want "professionalism", which tends to mean "superficially polite, even if the questions are utterly retarded". They don't like "unprofessional" behavior, which tends to mean "you got frustrated that someone else wasn't doi…
I know what you mean and I agree but unfortunately most people don't.