"Because that is his job, Zuko. And possibly, given that he knows more about this than we do, because he is trying to help. If your friend was trying to sell drinks to people, the one you told me about. If he offered his cheap fake tea that you mentioned for a small amount of money, and a proper jasmine tea for more, and you had to work for him.. wouldn't you also try to convince people to buy the jasmine tea? We do not know enough to know if they are pushing because they are told to, or because they are right. The answer is to observe, prince Zuko, and to learn which it is. But in neither case is it a cause for anger. At worst, they are doing what they must in order to continue to get paid. At best they are doing that as well as genuinely trying to help us. Perhaps the other one is easier to use, perhaps not. But we will not learn by losing our temper."