In effect, this is a version of the president’s argument: Obamacare is not so much a particular law as an overarching desire “to improve health insurance markets” and so if at all possible it should be taken to mean whatever one believes would be involved in doing so. From the beginning of its implementation of this statute, that Obama administration has treated the words of the statute as far less relevant than the general aim of doing what it thinks would improve health insurance markets, and today the Supreme Court essentially endorsed this way of understanding the law and suggested it is how judges should think about laws more generally too.

This understanding of the role of the judge threatens to undermine the rule of law in the American system of government, because it undermines the central place assigned to written law, and to the legislator, in that system. Ironically, I think the Chief Justice intends his decision to be deferential to the Congress—to keep the Court’s footprint small in this arena by not reading laws in ways that require large transformations in the forms of their administration. But in effect, this is more contempt than deference. While it would seem to suggest that the will of the legislator should guide the system, in fact it means that the word of the legislator does not govern the other branches. It implies that Congress should have just passed a law that said “health insurance markets shall be improved,” and then left it to the executive agencies to decide how they wish to do that while judges nod in approval…

In this way, the Chief Justice’s strange and gratuitous argument stands to make King v. Burwell a more significant case than it could have been even had the Court ruled for the plaintiffs—a case that diminishes our constitutional system and that exacerbates what is at the moment its most significant problem: the weakness of the Congress.