So you trust these supposed "stupid" people to vote for good politicians to manage your health care, but not to exercise clear judgement themselves about which doctor to use? Other than that, your "argument" is entirely ad hominem attacks. Please explain why a totalitarian corporatist health care system would be preferable to a free market in health care?
It's very simple; without a medical license you aren't "a doctor". At the very least, it stops or curtails these snake oil salesman from doing more harm.
I don't trust anyone to vote for 'good' candidates, so it's beside the point. Politicians no more manage healthcare, then they manage my personal finances.
I'm not playing along to this silly dichotomy of "totalitarian corporatist health care" versus "the free market". Find someone that'll take that argument seriously.