David Leonardt in The New York Times highlights a key component of Obamacare that you may not have focussed on. I hadn’t, anyway.
Incidentally, if the first person to call the bill “Obamacare” was a Republican, that person will have a lot to answer for in years to come. Johnson wasn’t lucky enough to have Medicare named after him.
An excerpt:
For all the political and economic uncertainties about health reform, at least one thing seems clear: The bill that President Obama signed on Tuesday is the federal government’s biggest attack on economic inequality since inequality began rising more than three decades ago…

Lyndon was quite proud of that scar but heart surgery had not come along far enough to save him from an untimely death in the early 1970s.
In today's world, he would have had heart surgery and lived for another 20 years if he quit smoking assuming he was on Medicare for which he would be old enough. Or Johnson Care.