> what you want I think this is the key point. Because saying "this is what you want" hides a part of the problem: who says it. The implication is that when y

> what you want I think this is the key point. Because saying "this is what you want" hides a part of the problem: who says it. The implication is that when you chose what you want you are in control. You may miss stuff, but you are the one deciding. When, on the other hand, it is chosen for you, the algorithm may be the best ever but you're not in control. For some people "being the decider" is more important than for some others.