We often wondered how Vox editor Matthew Yglesias could get it so spectacularly wrong so often. Now we know.

This tweet, from last summer, sums it up:

Update:

Listen up, you ‘witless idiots’! Matt Yglesias’ fact-check whining was just ‘a joke’

Related:

‘Get your ridiculously sloppy house in order’: Vox nuked with compilation of corrections

‘Oh my gosh. This is GREAT.’ Ready for Matt Yglesias’ mad map skillz? [photos]

Matthew Yglesias thinks it’s ‘cool’ that Hillary Clinton used a homebrew server for State Department emails

Matthew Yglesias’ Voxplanation of long-term unemployment is about as dumb as you’d expect

‘Irony is dead’: Matt Yglesias has a bit of a self-awareness problem

‘Give it up, champ’: Matt Yglesias can’t dig his way out of ‘Sopranos’ Vox-hole

Matthew Yglesias Voxsplains that cops in Ferguson are itching for a huge riot

Matt Yglesias says President Gerald Ford is still alive, inspires #VoxAircraftCarriers

‘Ye gods’! Matt Yglesias, Vox working hard to ‘dumb down the rest of the world’

Another smart take! ‘Geography expert Matt Yglesias strikes again’ [photo]

‘Sanctimonious bigot’ Matt Yglesias thinks he’s got conservatives all figured out

‘Awesome lying’: Matt Yglesias’ hack-tastic debt tutorial and claim US ‘can’t run out of money’ shredded

Matthew Yglesias: Feds should force Silicon Valley firms to move to Cleveland

Matt Yglesias says being assaulted by thugs proves ‘knockout game’ doesn’t exist

Ace reporter Matt Yglesias falls for fake Twitter account of ‘Iranian president’

‘Juicebox Lenin’: Matt Yglesias doesn’t think ‘people’s’ should get to keep their plan; Updated

‘Priceless!’ Matt Yglesias tweets about ‘repulsive’ Apple ‘wage theft’ … from his Mac

Econo-genius Matt Yglesias: In business, taxes are ‘irrelevant to pricing’

Matthew Yglesias: ‘If you want to kill someone in America and avoid jail time, make sure to kill a young black man.’

Matthew Yglesias struggles to understand illegal immigration policy