I think that depends on exactly who you talk to. Quite a few people I've discussed this with believe it would be a complete replacement, even for employer based insurance.

There a certainly some areas of interest to be address, like how to protect from bankruptcy even when someone has insurance, or what edge cases many of these uninsured people fit into that aren't covered by employers, the exchange, CHIP, Medicaid, and Medicare. Although in many discussions this is glossed over or not touched on at all. It would be interesting to see if requiring coverage for part time and contractors would affect anything. Especially if that would help pull people into the middle class (no idea if it would).

>There a certainly some areas of interest to be address, like how to protect from bankruptcy even when someone has insurance

Only 4% of US bankruptcies are because of medical bills (<https://www.washingtonpost.com/blogs/post-partisan/wp/2018/0...>). A tipoff that [insert large percentage here] of bankruptcies aren't actually because of medical costs is that only 6% of bankruptcies by those without health insurance are because of that cause. The biggest cause of bankruptcies is lack of income, which health insurance doesn't affect regardless of country.

I agree that it's not a big issue, but it's certainly something I would like to see addressed. If I'm paying for protection from crushing costs by buying insurance, then I would hope that would protect me from any cost associated with lifesaving actions that would bankrupt me, and have tools to ensure the less urgent stuff is going to be covered.

Of course sometime to comes down to people making medical coding issues on a bill. I've been dealing with that for 6 months now.