There are two ways to approach reducing the use of high-cost, low-benefit procedures. You can have the government tell people what they can and cannot have. Or you can have individuals pay for a larger fraction of the medical procedures that they consume. It really comes down to those choices.
Let’s assume that Kling is correct, and that this is an exhaustive list of choices, and that “something must be done”. Which choice would you prefer to implement? (I think that’s an interesting and potentially revealing question.)