From a human-computer interaction standpoint you do raise a fair point.
Even if in reality the AI misses _considerably more_ than that, there's a good argument to be made that such hints may steer the human from their initial, correct assumptions, or even reasoning.
Even if in reality the AI misses _considerably more_ than that, there's a good argument to be made that such hints may steer the human from their initial, correct assumptions, or even reasoning.