I’m not interested in proactively suppressing Nazis, as that would make us no different than them.
No, the people who suppressed nazi sympathizers during ww2 are not the same as people committing the holocaust. Nazis weren’t bad just because they targeted their political enemies. I would recommend reading blackshirts and reds and then the economics and class structure of german fascism.
The authority vested in democratic leaders is ephemeral enough that it is the only desirable form of authority. At the end of the day, it’s the people who rule, not their leaders.
All these “authoritarian” socialist societies had democracies. They are more democratic than any western democracy. Look at how Cuba’s family code was drafted before it passed by referendum.