And even that article missed the elephant in the room.

Avoiding and resolving modern chronic disease. If you want to  reduce the cost of health care, reduce the incidence of sickness. Reduce the incidence of sickness by getting healthy. Healthy people don't cost much because they don't get sick much. Fix the problem at the root of the cause, and the problem largely goes away.

https://www.youtube.com/watch?v=2IU-33EucMc&t=1512s

John