I don't agree with everything this guy says, but I think he's nailed this. Maybe I would give Truss a little bit of grace because she was sabotaged by the Bank of England. It's ironic that most would think of her as the most incompetent of the lot (Cameron, Johnson, Truss, Sunak, Starmer, Burnham)..
But perhaps if we dig deeper, the real culprit is Blair. He fundamentally changed the structure of British government, ceding power to the Civil Service. It's rather ironic that the undemocratic nature of the EU was perceived as a threat to British democracy and independence, when in reality the British Civil Service was a far more specific and more serious problem. I don't think any British government is going to look competent again until they resolve that issue. What the Bank of England did, dumping gilts and creating a pound sterling crisis was impeachable. Whoever the officials were who sanctioned that should have been brought in to face Parliament and been removed from their jobs with cause.