I think what you are seeing is that these distilled, ideologically pure philosophies don’t seem to be able to exist outside of laboratory conditions. You can tell because none of them have ever been created at any scale or length of time in the real world in anything but name. The real world is too complex for these overly simplified, supposedly self-correcting systems that solve and account for everything, be it capitalism, socialism, communism, anarchism, whatever. As much as the human mind loves a simple solution, it turns out that really complex problems like getting everyone to get along together often require more complex solutions.

“In my opinion, isms are not good.” – Ferris Beuller