Faschism is self-eating in it’s nature, but it is still a tool of those who hope they’d die before it fails. We haven’t got rid of it. It is practiced as we speak.
Communism had little chances to be proven wrong or right. In the end, communist rhetoric is one thing, communist praxis is another. And the latter was rarely even practiced, although proclaimed like it was. I believe it gets some points right and needs to be experimented with.