You don't foresee perverse incentives for the state being the buyer of healthcare? Namely, they aren't the patient, so the incentives have already been divorced is remote, plus they have an incentive to divert funds to consultants, regulators, and lobbyists that the actual consumer doesn't care about. There's some saying about how no one spends someone else's money as wisely as one's own.
To be fair, farms average 1-2% profit margins at best, its not like they are making bank off you, it is barely enough for most farms to survive even if they got 1,000 acres.