MMmmm. Well, it could be that he is smarter than us all, helping us in the election, and, in the event that Obama wins anyway, then waiting for someone to sue on the grounds that the “tax” is not a legitimate tax (it is neither an excise tax or an income tax; Roberts was vague, and ruled only that it is not a direct tax), and redeeming himself in our eyes by voting that the plaintiff is correct. Long shot? Maybe. But, not impossible.
My money is on your hypothesis. So sick of all of the conservative ranting against Roberts.