That's not how it works. The US spends per capita a lot more than pretty much every other country on healthcare, and yet it has huge issues with providing decent care to all its people. Why? Because it's by design. There are enough money in the system, right now, to remove completely health insurance, put everyone under public health insurance, provide world leading care to everyone and have money left over. We are talking $6,000 per capita yearly spent by Canada vs $13,000 by the US, in 2021.
But then do you have any idea how much value would be lost for shareholders? The proposal is just insane