It gives me a chuckle when practically every human being has nearly unlimited search potential at their fingertips yet so few are willing to spend a moment searching something, yet will spend more time typing a post to critique the lack of info provided.
It's about correcting bad behavior so it doesn't repeat. If you can get someone to stop being lazy and explain what they're posting about, then we don't have to have people asking what it is, and the people getting upset that others are asking.