I was in a very dark, very bad place in early 2018 and all that was getting me through it was that I wanted to know how Game of Thrones ended. You can laugh at that, I do.
'Justice' is an illusion, a story told by those who need something understandable and concrete with which to comfort themselves. It applies in specific cases, and it works in various contexts, but it doesn't scale. When you look too closely, the illusion falls apart.