Earlier quoted context omitted.
In principle, I agree with you, but most of the things you list are relatively cheap. In the United States (I know Jacques isn't American), the majority of the Federal budget is devoted to the military, interest on the national debt, various forms of free/subsidized insurance for the old and poor, and various forms of income support for the poor. The public goods other than national defense you list are very cheap in…
> The US spends more on its military than the next ten countries combined, so there's a good chance it's possible to have effective national defense for an order of magnitude less than we currently pay But national defense (or really, defense of any kind) is about more than just the ability to successfully repeal an attack; at certain scale, it's about ensuring that nobody even tries to lift a finger against you. And…
All true, but I think these things are true of China, with 1/5 the spending or the UK with 1/10. It is probably possible to provide an effective defense, including the ability to effectively attack an overseas enemy spending a much smaller amount than the US actually does.