It takes the great minds at yale to figure these things out

It's also worth pointing out precisely who owns these hospital systems.

Most hospitals in the US are nonprofits

"Nonprofit" is extremely misleading. Most nonprofit hospitals are as greedy as for profit hospitals. The money just doesn't go to shareholders but to executives and their friends who have businesses the hospital hires.

Nobody has ever said private is less wastefull than public?

Moot. When private equity and conglomerates get involved, operational concerns like waste and quality of service no longer matter. The only thing that matters is making money.

Data vs. feels