One of the objectives of single-payer is to drive down the costs of healthcare by eliminating the overhead of an insurance bureaucracy. There are other aspects that can be considered like nationalizing hospitals to eliminate private run, for-profit hospitals. People like this en.wikipedia.org/wiki/HCA_Healthcare are just as responsible for the high per-capita costs of healthcare we pay as are the insurance companies. And I agree with you, they shouldn’t be getting a guaranteed government handout.