Even mention not paying for something in the US and holy hell happens. Even Medicare and Medicaid can't say no for the most part.
If American's want cheaper healthcare they are going to have to get used to having less of it and not get all the fancy new technology right away.
No, clearly it's not.
I work for a startup that's delivering health services. Insurance companies have a very high bar for what they cover.
They are very conservative about covering new therapies. There's a lot of snake oil in medicine (acupuncture, homeopathy) and they don't want to pay for what doesn't keep their members healthy.
Compare drug coverage in the US vs. Canada or the UK. New drugs are often covered immediately post-FDA approval in the US. Heck, look at Exondys 51 for Duchenne's. The FDA barely approved it and pretty much every US insurer is paying for it. That doesn't happen in other countries.
A great example is the diabetes drug called Jardiance. It has better efficacy than older drugs and every US insurer covers it. It's not covered in many Canadian provinces.