But very little of the ISIS ethos has to do with hitting the Freedom Tower or the Capitol Dome.
Are you saying that inspiration will require the resurgence of a Cold War-type ethos?
It was a feel-good tale that reinforced the ethos of a merit-based free society.
revived by Palgrave in 1851 from Greek ethos "moral character, nature, disposition, habit, custom," from suffixed form of PIE root *s(w)e- (see idiom). An important concept in Aristotle (e.g. "Rhetoric" II xii-xiv).