What do you mean banning doesn’t work? The less reach those Nazis have the less people can see their Nazi-Posts and get turned into Nazis. Also it needs to be clear that being a Nazi is not acceptable so they don’t have the courage to spread their hate. This bullshit needs to stop.
I’ve never heard anyone argue against personal property. Usually the difference is that Anarchists want to skip the workers’ state, while other Communists think it’s a necessity to achieve Communism.