I think most people disagree with you darwinian notions of societal priorities. And you still aren't addressing that pre-ACA we still spent the same dollars, just on the backend through emergency room spending, and medical debt defaults. Basically all research points to outcome focused medicine and preventive care being critical to controlling costs, anything else just shifts the spend around.
I don't believe in those 'darwinian' notion of societal priorities, I'm just pointing out that those are baked into your priorities. If reducing cost is the priority, the machine (government/society) will churn out a solution that reflects the priorities it is programmed with.
I don't know about your characterization that "Basically all research..."