What's the point of citing Nuremberg?
Guilt and innocence is nothing more or less than the opinion of the winners.
The fact that the world community came together on the heels of Nuremberg to adopt the Universal Declaration of Human Rights is extremely powerful evidence there are universal norms and values widely agreed upon, even when governments don't always honor the moral thresholds they agreed to.
The target to shoot for has been set and widely agreed to. That is a powerful moral and philosophical statement