That cuts both ways as far as engaging in substantive exchanges. I'm not defending the leftists, but for some here the standard reply to their posts is to call them commie [bleep].
The shoe fits - they don't deny their support for communism.
Actually, I have many times, including today and asked for proof of it. All of which goes unanswered and unchallenged. But please, be my guest. Prove that I am a communist.