Yes, this is accurate. There is no expectation, from anyone, that a person with a $1.1m medical bill will pay that. There's a specific group of people called Medical Bill Advocates that help people navigate the medical billing system.
As well, people don't really go bankrupt from medical costs that often. Hospitalizations cause about 4% of bankruptcies among nonelderly adults. Among uninsured, this rate is about 6%. They mostly go bankrupt because they lose their jobs and income [0].