Is the MMT Frame a Good Idea for Macroeconomics?

Warren Buffett: I'm hoping that we can discuss current macro events through an MMT frame. It seems to me that you come up with radically different economic prognosis, he says. He tells a story about being asked to listen in on a conference call by his colleagues at the Bank of England. They were explaining what turned out to be modern monetary theory - but they couldn't put their finger on where it was wrong.