I think we all agree that the current system is a cluster fuck of galactic proportions, don't we? It's hard to imagine a worse one, although there are those who assume, as a matter of faith, that anything the government takes over would be worse.
This is despite enormous evidence to the contrary: Canada and European health care systems, the ability our own IRS to process hundreds of millions of tax returns in just a few weeks, the ability of our military to invade and occupy a country of 23 million in just six weeks, the ability of NASA to go from nothing to putting a man on the moon in less than ten years....
Creating an efficient, single payer health care system seems relatively straightforward, given how many existing models that are already out there to learn from, in comparison to these achievements.