And that was singularly up to John Roberts to undo?
How about all the dip crap Americans who allowed this to be approved? Should they bear some of this responsibility, or they they all commies/socialists who should be run out of the country?
Undo? You must mean Re-do. He came up with the whole tax argument. In fact, he dismantled the government's argument and built them a whole new one from scratch.
And yes, it was his job to un-do it.