Not only can it not describe its reasoning, it can't "remember" if you ask it later; it can only observe what is. Nor can it be consistent; I've had it shift reasoning numerous times as the questioning continues, only to come full circle to its original statement while it apologizes profusely for being misleading.

The model will always be completing the story you start with it. There's no opinion to uncover because there's no experience that occurred. It's impossible to know where your influence ends and the model's factual basis begins.