I remember "Duck & Cover" drills
in elementary school.
I remember a pamphlet from the 50's with the different signals the town firewhistle would blow in various states of emergency. It included "Danger: imminent nuclear attack" and "Danger:fallout", IIRC.
Toward mid-70's, the nuclear threat didn't really seem real, at all. I remember going into a fallout shelter with my buddies (out exploring) and taking the candies that were part of it's normal supply. By that time, no-one (that I knew of) believed that fallout shelters were gonna do a bit of good, anyway.
I think that humans get bored of things that threaten them.
Imric's Tips for Living- Paranoia Is a Survival Trait
- Pessimists are never disappointed - but sometimes, if they are very lucky, they can be pleasantly surprised...
- Even though everyone is out to get you, it doesn't matter unless you let them win.