> It doesn't go up in smoke, it goes back into the economy. There is still a gigantic opportunity cost of bringing together resources to produce an explosion r

> It doesn't go up in smoke, it goes back into the economy. There is still a gigantic opportunity cost of bringing together resources to produce an explosion rather then something more useful. The old 'its going back into the economy' is some sneaky Keynsian language that only applies in certain macro economic situation and even that was mostly wrong and a misunderstanding of economic theory in the late 30s.