It is that fear of being labeled like Hitler - deeming a certain population as “less” or dangerous.
If I wanted to sum up the entire post-war era I think I would just say that “it is that fear of being labeled like Hitler - deeming a certain population as “less” or dangerous.”
And not just for Germany but the entire west.
Just like southern racists ruined the idea of poll tests and free association, Germany ruined the idea of actually judging things by what’s best for your own people.