Now we don't have agreement about common goals. People who get in power tend to want to implement their ideology, rather than achieve some clear, agreed-upon national objective. In contrast to the days of the "grown-ups" the whole system has become unserious and detached from fundamental necessities. So if you go to the businesses and colleges and institutions that gave us yesterday's "wise men" the people you get really aren't worth much, since they've spent their time pursuing illusory objectives.
That, and everybody back then went through the war and didn't have much tolerance for BS.
Good post. In the absence of a common enemy the people will turn on themselves.