Since the return of the Tories to power there is an interesting trend in where the Secretary of State for Sealth arises. They have always been significant message managers of the party. Head of CRD, two SoS of Culture and Media. It remains primarily a Ministry for Messaging.
In this sense the NHS remains primarily a liability to be managed. Once that is understood the UK govt response to COVID19 is very clear. It is solely about managing the message. The media love it. It's not a revolving door, it's a gaping wound in our democracy, kept wide open.