I vote definitely "Legitimate Gripe". I'm almost positive you must have had the same sort of experience numerous times, as there are an incredible number of people who don't know how to ask a question properly; and completely ignore that fact that the person they're asking isn't psychic so doesn't know what is going through the questioner's minds when they ask.

In fact your response doesn't show you in a "Bad" mood - on the contrary - remarkably patient I would say.

Good on you for answering so many questions.

VV