Just to spell it out, shambles, before I leave...

It works like this. This post has been made by shambles, right? Of course not we can see it came from a GUEST (who in this instance is clearly Jon Freeman).

Without the GUEST tag, it would have to have come from you.

Of course if I'd acted anonymously, no name would appear at the top so there wouldn't be the question of impersonation would there?