Well, at least I do have a very strong emotional response to empty marketing. The GP just got the wrong emotion, it's not a hurt ego, it's fear and distrust.

If I go searching for a product, and its marketing material can not answer my questions, I do expect that company (or whoever distributes it) to betray my expectations in a way that will hurt me a lot. Honestly, this feeling has a quite strong empirical foundation, so I'm not a bit ashamed of it and don't imagine it will ever change.