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- Individualism is squashed in both systems. The citizen solely exists for the state and is to be exploited as a worker or cannon fodder.
- Both systems had worker holiday cities for propaganda and constant reeducation.
- Both systems had many youth organizations for indoctrination.
- Both systems had nationalized radio.
- Both systems sent their opponents into Gulags/camps.
- In both systems, if you pretended to be a follower, you'd be taken care of (that arguably is the socialist aspect of national socialism).
National socialism did not actually nationalize companies, but they were certainly under control of the state.
The point is that while the ideologies were different, the outcome was not completely dissimilar (even antisemitism with purges was there under Stalin). National socialism had an overtly murderous ideology, while the marxist one pretended to do one thing and did quite another.