As a political and economic system fascism would be a better comparison. And like socialism, can be a logical steppingstone to communism. Nazism’s racial theories, and particularly the transition to real world implementation are what sets it apart. And can Communist governments implement similar racial/economic/social policies of extermination, of course, they have. Though usually based on economic, political and social affiliations. Not sure I’d want to waste time distinguishing between their pursuit of evil. Religions can do it too.
Yes but messianic humanism and the creation of the new man carries its on ethno purity issues
Stripped of religion in particular and identity the new man only needs the state
The converse of Nazi racial purity due to the erasure of any identifier especially religion
Unless at war then commies suddenly got all motherland oriented
Like Nazis touted racial purity devoid of darkies Jews and potato negroes yet cozied up to sand people in the Middle East when it suited them not to mention their relationship with Orientals