If you're looking for a down side, innovation might slow down.

Then again, you might get innovation that's less profit motivated.

As far as access, doesn't insurance control that already?

Why would it matter whether the insurance came from the gov or a for profit insurance company?

I would expect the government to be a little more generous, but they're still going to look at clinical evidence. What has been proven to work

The biggest chains welcome Medicare and Medicaid patients now, so I don't see why that would change.