The worst thing about nationalized healthcare is what has happened in countries that have it - bureaucrats and politicians taking away the ability of physicians to provide the best care for their patients. Lengthy delays or outright unavailability of necessary procedures.
I think what most people are going for is a system where everyone pays for health insurance, not pure socialism.
And this is where you're kidding yourself. Forcing everyone to buy insurance from state-approved vendors is no better than socializing it outright - arguably it's much worse. It employs government coercion in the service of private profits.
A capitalistic healthcare system doesn't work because most Americans and really most doctors and nurses won't demand payment by yourself or your insurance before treating you. So we end up with this blended system that we've had since hospitals became worth going to.
If we actually practiced free market principles with health care, what we'd end up with is a voluntary system where people decide for themselves how to pay for their health care. They'd decide which insurance companies and hospitals they want to do business with, and which they want to avoid. They might even decide there are better ways to finance health care than insurance.
The problem with the existing system isn't that it needs
more regulation and oversight. The problem is that there's already too much. Too many fingers in the pie. Too many interest groups vying for control over your health care.
So, I loved Obamacare, it was evil. If some freeloader didn't pay for insurance because they were counting on kindhearted Americans to bail them out and treat them if they needed hospitalization, no insurance, we're taking part of your tax return! It was evil. I loved it.
Not sure what you're going for here.
Could some math and regulations be fixed sure. Was it Constitutional? Man, maybe-ish. That law got out of control. I know with all the customers forced to buy insurance we needed some regulations on the insurance companies. I could have lived with a ten page bill reading "cover pre-existings, here come a bunch of formerly un-insured custoemrs" with a plan to fix problems as they arrived. And yeah, I think it needs to be national.
Why? Why do we need Dr. Trump running our health care?