Jane,
I think he got the Ban Stamp from whatever garbage forum he was trolling on along with other trolls.
It's probably a scrawny, zitty, socially retarded, unloved teenager or a lonely, desperate adult who is so embittered by his own existence about being an involuntary outcast that he seeks whatever attention he craves, be it negative or positive.
I still think it's because his family tree doesn't branch. Or her.
[edit: LOLOL @ Lori and SunCzarina!!! Awesome smiley! Is that in the mod's selection?!!?]