They've already made the food. Their immediate choice is to get less money than the advertised price (small loss), or get no money (large loss). Given that th

They've already made the food. Their immediate choice is to get less money than the advertised price (small loss), or get no money (large loss). Given that the latter choice may take much repeating to cause the delivery service to stop their behavior, it's not too surprising that many would choose the former.