So now, Keir Starmer's supporters are warning of economic chaos if he is challenged for leadership of the Labour Party (and by extension PM), and what do you know, economic commentators, with not so subtle invocations of bond vigilantes, haver joined these warnings.
If you wanted a demonstration if how the financial services sector have managed to capture the common-sense of politics, this would be it.
The way they are talking you'd think Angela Rayner was a radical communist...