I removed the numbers and looked up that username to try and figure out what was going on, but it seems to be an empty account from 2010.

I feel sad for the person if they think this is the best use of their time.

Re about "nobody sees these", only registered users with half a brain see them, and they're the ones who can easily filter out people acting like a child with nothing better to do. It's people not logged in who don't have "show dead" enabled that don't see it.