The problem is that hatred and wrath only can last as long as you're down; it's really hard to preach pure hatred when you've won. In the few timelines where Hitler wins WW2 (honestly, once he fought the USSR AND USA it was a done deal, and some would argue only the USSR), I just can't see a nation whose ideological cornerstone is "Jews and Slavs are bad," when a good percentage of its new borders are filled with Slavs. You can't kill/deport all of them, especially with the fog of war being lifted.