I'd go a step further and say that MMT is about borrowing for structural deficits. There's nothing MMT about Keynesian stimulus in 2008 or 2020; where things w

I'd go a step further and say that MMT is about borrowing for structural deficits. There's nothing MMT about Keynesian stimulus in 2008 or 2020; where things went off the rails was governments running large deficits during the boom years of 2015-2019 (when they should instead have been saving for 2020).