The vision is that through liberal democracy we can achieve world peace.
Believe it or not, it doesnt matter. That is the core of US foreign policy and there are ~300M americans that believe that. Only leadership can really change that.
Also
> Can you imagine the hubris of trying to tell people in some remote village that the way men and women relate to each other has to change through a translator, because some tall buildings in a place they've never heard of got destroyed?
Religion and Military occupation do this, lets not pretend this doesnt work.
I find it interesting, you have some mix of realpolitik but you have a cynicism that takes away your ability to see reality.