Don’t be silly. You can’t “atone” for something like that. But they dealt with it in a very German way. Efficiently. Vergangenheitsbewaltigung. Germans are cool with me.
Well duh the people who were a part of it are still complicit and can’t extirpate their past but it has been 70 years, most of those folks are dead. You can’t hold the children and grandchildren accountable for what their parents did