Why else would they give him explicit advance immunity for assassinating his political rivals?
Like every other dumb fuck conservative, they just wanted those pesky 3 libs to get murdered. They will never figure out that they're up next until it happens. It's endemic to the conservative worldview.
I appreciate you cosplaying as a coauthor of the Federalist Papers, but I think the "institutional jealousy" theory of the balance of power has been comprehensively shredded by the behavior of Congress since about November 2000.