Earlier quoted context omitted.
There's a benefit to having a service tied to the individual receiving the service. For starters it put price pressure and competition on providing the service. When someone else is paying for something you don't have a signal of efficacy, in terms of pricing or quality. To put another way, if I were facing some terminal illness I would want to have full control of picking the service even if it costs money. Sure, I…
Time and time again large competing forces in the market are found to have colluded instead of directly competing with each other to drive price/cost down. What is it that still makes you believe that two (or n-number) of providers won't collude to charge an astronomical amount for a life-saving treatment?
Collusion and cartels never work on the long run. It's an unstable equilibrium, the incentive to reduce prices to capture more market is too great.
> What is it that still makes you believe
Competition. It's the only force keeping humans honest. That's why we must treat any barriers of entry in a market with extreme care. The only "failed" or "captured" market is a strongly regulated one.