If only there was some sort of organization, beholden to the people by democratic election, which was obligated to protect and provide what does not particularly align well with a profit-driven model (military, roads and public transportation, fire & police services, sewer and water systems, GPS and weather reporting), to provide this other thing that does not align particularly well with a profit-driven model... hmm...

everywhere it's been done universally and not under/defunded for electoral reasons, the combined economy of scale/standardization, removal of $100Bn+ middleman industries and cheap proactive preventative care saving on expensive emergency treatments more than completely negate the "people going to the doctor for funsies" cost