Is it just me or does this remind anyone else of badly translated owners manuals? I know the Japanese have a strange fondness for misusing English words to great (if unintentional) comedic effect.
Actually, if you take a closer look at the feedback entrys, you'll see that it was almost five years ago, and that most of them were left in a matter of hours. I think he decided to blow his eBay account, bid on every auction he could find which ended soon, and then instantly left totally weird feedback for the seller.
In the "early days*" of Ebay, you could leave feedback for anyone. You did not have to tie it to an auction. I think this guy may have prompted the change.
*back when I started there were only 25 auctions in the audio section