I wish I could defend the guy more, because I've watch his "Video Game Sellers" show for a while...
But right before this, he posted a video (deleted now) where he bitches because he got banned from using ebay buyer protection for getting too many partial refunds. (25% of his last transactions!) Basically, he'd contact the seller, and ask if everything was perfect, and then find flaws to ask for refunds.
It was hellishly shady, and he was even going to complain to a seller that it got wet in the mail because his mailbox leaks! (Which of course, he blamed on the post office guy.)