(Full-time co-founder of a healthcare startup here): W/r/t the US specifically: it seems there is no shortage of inefficiencies and obvious solutions to the inefficiencies in the US healthcare system. To me, the real problem seems to be a system that has almost diabolically evolved to create competing interests that deadlock all sides into a sub-optimal solution. Specifically-- patients, payers, physicians, pharma, f…
I think this is made harder to see by a certain stripe of market fundamentalism that almost blends into the background for many people at this point. At this level of analysis, it's assumed that every transaction is cooperative in nature and competing interests are correctly balanced if not aligned by the time a transaction takes place. Since that's the general assumption, of course it's the specific assumption that the market will do the right thing (regulated or unregulated -- the regulations are just clothing on the incentives).
I'm talking about the general level of lay discourse that defends the recent history (and even the ACA status quo), of course. Scholarship and policy research recognizes the problem.