The only thing wrong with the Nuremberg trials was that it wasn't possible for the same judges to also try some of the people on the winning side.
That's why we need a genuine international war crimes court which isn't going to take any notice of which side the war criminals are on.
There are some things that need to be the subject of criminal trials, no matter who does them.
I understand the American government is still dead set against that happening. That a great pity.