Perhaps someone could tell me what happens exactly to a judge that goes against the law in a case like this? If it goes to a higher court and what he has done i

Perhaps someone could tell me what happens exactly to a judge that goes against the law in a case like this? If it goes to a higher court and what he has done is overturned what is exactly the practical significance of that? In other words the "my hands are tied" how valid is that in terms of what actually does happen as opposed to what theoretically can happen?