Earlier quoted context omitted.
Vast majority of NHS expense is keeping an aging population alive. A lot of the rest of government spending (nearly 80% of my council tax for example) goes on social care for that same aging population. The NHS spends less per capita than the US spends on medicaid. Not less per person covered, less overall.
How do poorer countries manage to avoid getting outright bankrupted by social care? Why is it such a black hole money-pit in the UK particularly?
The only way that kind of wealth transfer works is with a growing proportion of workers, but that has long not been the case in many developed countries.
The solution for all these countries (even the US) is to dismantle all wealth transfer to old people. It might be the only way to incentivize production of families that raise productive children. Or tell old people to expect declining quality of life (faster than it already is).