No, it isn't. He's only bought one, and taken the rest out of circulation before they've even left the stock room.
He can bloody well wait for them to go on the damned shelves where everyone has a chance to grab them, and then buy them or put them on lay-by or risk missing them like everyone else has to. Like he says himself, he's abusing his position.
(and I say this as someone who's had all of these for a couple of weeks from Singapore, so I'm not racing anyone for them)