At every turn, when humanity is asked the question, 'Do you want temporary economic gain or long-term environmental loss, which one do you prefer,' we invariably choose the money.
I mean, the first 'Back to the Future' is kind of a perfect script, I think, in terms of handling time travel the best. It depends on your definition. To me, that means it effectively uses it in the story.
Today Americans are overcome not by the sense of endless possibility but by the banality of the social order they have erected against it.