I understand that not all teams behave this way at our favorite platform company, but I think it is important to note trends toward goodness.
Guess how the priorities for Enterprise Library 5.0 are being determined. By explicitly sharing and opening the backlog, which is a great thing. The transparency of techniques like this genuinely engages customers and puts them in control.
It is important to remember about MSFT that it is a large organization made of teams, which are made of people. The people on the p&p team are genuinely driving positive organizational change through practices like these:
Go be in control: Play the backlog planning game for Ent.Lib. 5.0