Something that we should all admit is that we are not the smartest person in the room. No matter how smart you are, there are others who know things you don't, who have thought of things you haven't or who have experience you have yet to see.
Jerry Pournelle has some thoughts on the Obamacare decision. They are unlike any I have read so far. You have to start at that link and work your way backwards in the typical blog reading style.
I don't and likely won't agree with him that there is "more than a dime's worth of difference between Romney and Obama", but I'm not so foolish as to discount his words in their entirety. You might want to consider giving them a read yourself.