It's not just about having a belief that their economic system is better, these people feel like they're possessed by cult like quasi-religious force, as were past ones like in the cultural revolution. It's the only way the current environment in the US makes sense because it's not logical whatsoever for this many people who grew up in Western countries to think having a revolution and replacing it with an ideology that's clearly failed is a good idea.
Why does this keep happening to human race? What is actually motivating them? Noting that these commies are insanely manipulative and dishonest therefore what they really claim to care about can all just be a front, like arguably the entire usage of race.
You answered your own question. LOGIC, for busy bodies it's about EMOTION. To see their thought process. It's about imagination they are riding a beautiful white horse. It's sunny and beautiful fluffy white clouds are in a blue, blue sky. Suddenly! A Call for help rings out. Oh no, our hero rides in and saves everyone. Tada, you have millions of people starve to death. But gosh darn don't you feel good. You are a savior, a true hero. Liberal stops and takes more lithium from their pill bottle. Continues to scream in protest. As they sit in traffic.