Crazy healthcare costs are the result of government intervention back in the 30s, and I’m doubtful they will actually be able to lower overall costs. Single payer has the advantage of being able to negotiate the costs for a much larger volume, but my guess it won’t be enough to cover the cost of bureaucrats to administer it.
Still I’m all for them trying it, if it fails miserably and the “free” healthcare leads to never being able to see the doctor and costing more, then everyone else can stop trying to emulate it. If it succeeds and actually saves money and still provides good healthcare, then we might be able to try it at a larger scale.