As much as leftists decry originalism, they should be careful what they wish for: they'd really hate a right-wing "living Constitutionalist".
But Barnett made another point that's worth thinking about here: What if right-leaning jurists listened to their critics on the left, and adopted a "living Constitution" approach instead of relying on what the Framers understood the text to mean? As Barnett asks: "Why would you possibly want a nonoriginalist 'living constitutionalist' conservative judge or justice who can bend the meaning of the text to make it evolve to conform to conservative political principles and ends? However much you disagree with it, wouldn't you rather a conservative justice consider himself constrained by the text of the Constitution like, say, the Emoluments Clause?"
Reynolds speculates about new individual rights and government limitations a right-wing "living Constitutionalist" might find/create, and it's a pretty persuasive argument for originalism.