The EU is not one country. It is certainly not one healthcare system. But yes, I 100% agree with you. If the US wants to implement public healthcare, it should

The EU is not one country. It is certainly not one healthcare system. But yes, I 100% agree with you. If the US wants to implement public healthcare, it should follow the EU's lead and implement it at the state level with very limited (if at all) top-down interference from the Federal government. Imo, the only thing that it makes sense to do at a nationwide level is negotiating drug prices. To answer your (flawed) question though, humans have demonstrated time and time again that they struggle to top-down manage large economical undertakings at scale. It seems that at a small scale, we have the capacity to do all sorts of things with all sorts of means of management. But past a certain point we start to get in our own way with internal strife, graft, poor abstractions and assumptions, etc. Some people think AI will help us figure this out, but I'm skeptical. So far the only consistent tool that helps us work against this is the invisible hand of a free market, which does enough to align incentives that the problems become tractable.