[pessimizer]

> Voters not wanting to pay for comprehensive care for everyone is a 4th head.

M4A is overwhelmingly popular, at points taking majorities of Republicans. Also, the US government already spends as much on healthcare as Britain and the NHS; US healthcare is just allowed to cost twice as much.

[lotsofpulp]

Maybe now, but it was not true in 2009/2010 when ACA was being hashed out. As I saw it, lots of people said they wanted everyone to get healthcare, but when the chips were down, there was lots of balking at costs.