Medical bankruptcies are vastly overstated.[1] And while the US may be unique in our exposure to medical debt, we're doing much better than other developed countries in terms of overall household debt, which would seem be a more useful metric if you're concerned about the impact of debt on prosperity.[0]

[0] https://www.oecd.org/en/data/indicators/household-debt.html [1] https://news.ycombinator.com/item?id=30793926