A surprising little instance of what looks like personal butthurt on the part of young Matty Yglesias, in the Substack Notes, aimed toward the Australian economist and Blogger Hall of Fame member John Quiggin:
So the first thing to say is that Quiggin's note is marked with a mock HTML tag <sarc off> suggesting we're possibly not meant to take it literally, and it's definitely not an accurate summary of Yglesias's post ("Polarization Is a Choice"), which doesn't even mention the polarization between parties that would like to overthrow US democracy and those that would not.
Rather, it's the story of less inflammatory issues in the careers of two originally "moderate" presidents who were (according to the author) practically the same political person during their respective presidential campaigns, Donald Trump and Joe Biden, and then decided, apparently for personal reasons, to radicalize in oppposite directions, Trump to the "right" and Biden to the "left", when in office. Thus, in the case of Trump:



