You far too kind, but I applaud your even handed response.
That sort of behaviour has only one place: behind locked doors in padded rooms where pre-adolescent tantrums go unnoticed.
This person obviously thinks he is someone special, and that he can try and destroy this forum to get attention. Self delusional on top of the emotionally retarded. Call a doctor!
Maybe he just wants a good right here, in front of all his friends.