You answered your own question, fren. They are totalitarian rivals. Totalitarians do not share power, and in case of two rival totalitarian ideologies, one of them has to go.
Because Communists are globalists and Fascists are nationalists.
I'm no expert on the subject, but I honestly believe that's basically it. I think that's also why leftists always equate nationalism with Fascism. In their mind, that was the danger of Fascism. Not the totalitarianism that rational people worry about.
Genuine question can you explain to me how communism and fascism are natural enemies? Both are forms of totalitarianism and seem rather similar.
You answered your own question, fren. They are totalitarian rivals. Totalitarians do not share power, and in case of two rival totalitarian ideologies, one of them has to go.
Because Communists are globalists and Fascists are nationalists.
I'm no expert on the subject, but I honestly believe that's basically it. I think that's also why leftists always equate nationalism with Fascism. In their mind, that was the danger of Fascism. Not the totalitarianism that rational people worry about.
This. You got it nailed.