What is mainly seems to do is reach people, confuse them, and make them frustrated over unanswered questions in the event discussion section.
Why didn't we answer your question on the event page? We weren't notified about a question on the event page. There isn't a question on the event page. Oh, that's a link to an event page which isn't ours. But looks exactly like our event page...
Road to hell, best intentions, paving, and all that.