"We've been having this [really easy to diagnose and solve] problem and haven't been able to use your product for 3 days."

"I'm in the middle of doing a demo at [big prospect] and had [obscure problem] when doing [something nobody's tested]."

"Why didn't we do [proposed solution that was argued at length for weeks before choosing the current one]?"

"Thanks to [list of everyone except the guy that really did all the work] for working so hard on this release."