Starmer is out, but is Britain done with its prime minister churn?

Will Andy Burnham, expected prime-minister-to-be, be able to learn from the mistakes of the carousel of British prime ministers over the past decade?

Starmer is out, but is Britain done with its prime minister churn?
Will Andy Burnham, expected prime-minister-to-be, be able to learn from the mistakes of the carousel of British prime ministers over the past decade?