But surely he was saying ‘If the NHS is overwhelmed, I as the Secretary of State should be the one responsible for setting out the national policy on who gets treatment, as opposed to leaving those awful decisions in the hands of individual doctors to make on a case by case basis with no guidance to fall back on’
This is absolutely wrong and totally unnecessary
Clinicians don't need "guidance" to either triage or reverse triage. It is a core part of their competence. It is, in the aftermath of major incidents, a normal part of their role. It is, in a day to day sense, also a core part of the role (arranging lists, deciding on treatment options, and when those run out.
They absolutely do not need a SoS and advisors making those decisions for them, with no regard to the actual patients in front of them, and who can be saved. As that political decision might not map well with actual hospital-by-hospital illness patterns.
We don't have much of a "national policy" on who gets treatment for anything. The postcode lottery of local commissioning over-rides that, and is a policy that the Tories introduced and are very much wedded to shows us that. So it's illogical at least to think it's a good thing to impose one, especially if you are doing so because you think important decisions about provision and withdrawal of care cannot be safely left at a regional/local level.