And then in a couple months time, after they've got their thousands of dollars and shut down that account, they'll be doing it all again, knowing how easy it is to make quick bucks of some of these rare and/or expensive toys in our fandom.
(in other words, it's never going to stop under the current ebay registration, payment and dispute processes, and my advice as always is never buy from someone new, or with a very small or zero feedback score, especially from China... but it applies everywhere though)