because Nintendo is a lazy ass bastard, and as long as eBay doesn't get yelled at Nintendo to put a stop to it, eBay won't stop em. I made a thread about this not too long ago too, and personally sent mails to Nintendo about 2 months ago and never got a reply and doesn't look like Nintendo cares, or they may not have the authority to stop it which I highly doubt since theyre Nintendo. o well.