The UFOs were nothing more than the collective fantasies of a stressed out society... The world into which UFOs had appeared was one of under-the-desk siren drills against nuclear annihilation. Society had made a new myth, a communal idea of something outside a species apparently intent on dooming itself.
Most people, if philosophy touches them, they shatter, they atomize, they turn to dust. It is win/lose between philosophy and delusion, and most people are almost entirely composed of delusion. They're only allowed as much reality as serves the masters. But they're not allowed any reality which disturbs their masters...
A democracy which makes or even effectively prepares for modern, scientific war must necessarily cease to be democratic. No country can be really well prepared for modern war unless it is governed by a tyrant, at the head of a highly trained and perfectly obedient bureaucracy.