Exactly, I clearly told him to put it back as he was checking my chests, he put it back but I suspect he's come back to take it when I logged out. Unless you knew it was there you wouldn't take it and no one else has been around.
So yeah, he's been told a number of times.
I think it's a case of "it's a game" so it doesn't matter. Whereas we see it a bit more serious than that due to the amount of time we invest in it. That might make us the people with the issues but that's far from the point.