Amon Goeth was a scary person even in real life. When one of the Holocaust survivors who helped Steven Spielberg on the film visited its filming set, she was scared of Ralph Fiennes due to his resemblance with the real Goeth.

Amon easily because he was so sickeningly evil in real life that even being significantly toned down for a movie he is still pure evil status.

The fact Amon is based off a real person make him honestly worse