... yet all of these concerns have been addressed by every other nation doing single-payer...

Your own research might be the best way to go - that way you can get the answer to your exact question.

People: We Americans think we are special - really we are just isolated and not exposed to other ideas directly.

There is a world of difference between reading about an idea, visiting a country's hotels, and really talking to the locals.

I see discussion time and time again:

* Healthcare * High-Speed Rail * Renewable Energy * Cities built for walking/biking instead of driving

All the above are solved problems for a generation in other parts of the world.

At some point, we owe it to ourselves to find out directly from the locals how things work.