If the free market could provide universal health care, it would've happened a long time ago bc we've been trying that approach for 200 years. There will always be people who work at jobs that don't offer health insurance. Government simply has to play a significant role. Let's keep the Medicaid expansion and take measures to encourage private healthcare companies to participate in the exchanges. The more competitors there are in an exchange, the lower prices will be. That's way better than blowing up everything with no idea what you want to replace it with