>Ask the millions of people who have health insurance now who didn't. What we got is nowhere near as good as having a single-payer plan, but a lot of people have coverage who didn't and are able to get regular health care who weren't. If you read in depth about the process, you'll see that what kept the ACA from being better was entrenched business interests.
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That's little more than a macro-statistic on # of people who have health care now, versus before. As everyone knows, much of it was through Medicaid expansion.

But beyond that, there's a big difference between people who have insurance, versus the actual quality of the coverage.

The framers and architects of ACA have already spoken about their intentions. Which includes the fact that they knew precisely how insurance companies would respond.

If you thought ACA was a cluster-****, that's nothing compared to the massive failure that you'd see if we (gasp) ever go to single payer. If anyone truly believes that single payer will work in this country, they're in for a big unpleasant surprise.