You have a very generous definition of the word "worked."
It's just a simple fact that managed or hybrid capitalism produces by far the best results for the most people. I will never understand the need to see the world in black and white terms when it's quite obvious to nearly everyone that mixed economies provide the best allocation of resources together with the highest quality of life. This is a subject that mainstream economists see as largely settled, apart from the details.
I can't believe I'm seriously arguing with a communist. Maybe this is enough Internet for me for today.
Sounds like somebody needs to take an anthropology course or two. You are badly confused. You're not even wrong, you're just light years off base and clearly speculating with a kind of pure almost childlike ignorance of the subject.