Spending on really, really important stuff?

Let's hope the seventy-odd f-35 joint strike fighters gracefully rust away to obsolescence without ever having experienced a shot fired in anger (ala the f111s before them). With alleged budget constraints such as they are, a large proportion of the population may well have succumbed to lack of adequate funding for health, shelter, welfare etc, during the life-time of these aircraft... so will not require defending from aggressive enemies anyway?

Bloody expensive toys though!