We have never seen an actual communist country. USSR for example was a fascist dictatorship which runs directly counter to the first property of communism, it must be stateless.
Facists like the Nazis like to claim they are for the people and sadly the only "communism" we've seen so far has been carried out by their hands. This is similar to how Nazis were supposedly progressive... Hopefully we can agree that is obviously not the case.
Not decaying. The Nazis were always fascist they put on a front of being progressive to ganrner support which worked quite well as we can tell from history. By the time it became obvious they weren't really progressive they were already in power.