If you've say through enough conferences, the ire is because the question usually isn't in good faith. More often than not, it's someone with whatever you call

If you've say through enough conferences, the ire is because the question usually isn't in good faith. More often than not, it's someone with whatever you call the personality defect that leads them to constantly needing to "show how smart they are" to the room full of people by, presumably in their mind, dunking on the speaker with their wildly naive "what didn't you do X?" I've also say through Q&A sessions where a guy got up to the microphone to recommend books for the guy giving the presentation to read. It was uncomfortable.