Earlier quoted context omitted.
Many do. Not the sectarian economists hired to develop capitalist theology, but the ones you take seriously when you need to run a real capitalist economy. Here's a lucid explanation: "If you take an economics course, they’ll teach you, correctly, that if the government spends n dollars to stimulate the economy, it doesn’t really matter what it’s spent on: they can build jet planes, they can bury it in the sand and g…
they’ll teach you, correctly, that if the government spends n dollars to stimulate the economy, it doesn’t really matter what it’s spent on Forgive my ignorance on these matters - I know that if the government pays a work crew the work crew ends up with money in their pockets regardless of what specifically they build; but surely if you pay a work crew to build a useful freeway or a bridge (or a rail system if you pr…
What you wrote is correct, the flaw is you put in the word 'useful'.
If it were just about bridges and railways, it wouldn't be so bad. But lately economic stimulus is used as the fig leaf for all types of whole scale wealth destruction like cash for clunkers, amongst countless other examples.