Insurance companies don't make the choices - providers do. In the US, insurers have very little control over providers' decisions in most care settings.
Ironically, under capitated care, the provider acts as the insurer, and is expected to balance both the medical outcomes for the patient and the overall cost to the system directly in their decision-making. For some reason, that's the model that people seem to advocate in this (and other) HN threads about healthcare, which boggles my mind: I can't understand why patients would want their medical provider to have an inherent conflict of interest from the start.
Huh? Where are you bringing HMOs into this? Nobody's talking about HMOs.
My point is that third-party free medical services are out of reach of most Americans. Even if the doc is separate from the insurer, they have to follow their claims process. You generally have to take your employers plan. The less fortunate take Obamacare and its limited doc networks, or are totally out of luck!
Ruining your health just means they pay for $$$$$/day hospitalizations. That’s far worse than paying for your maintenance pharmaceutical cocktail and some specialist visits.