I think the general anxiety of the 1960s - '70s spawned our interest in the living dead. When people worry about the end of their world, they need a safe vessel for all their fears. Zombies provide that vessel because they're 'safe.
Max BrooksAny survival guide will tell you, don't buy a pair of combat boots before any disaster. They'll tear your feet up. Or water. Don't bring water with you because it'll tire you out and you'll lose too much fluid. Bring a water pump.
Max BrooksA true crisis. Class 3 outbreaks, more than any other, demonstrate the clear threat posed by the living dead. Zombies will number in the thousands, encompassing an area of several hundred miles.
Max BrooksIf your Soviet neighbor is trying to set fire to your house, you can't be worrying about the Arab down the block. If suddenly it's the Arab in your backyard , you can't be worrying about the People's Republic of China and if one day the ChiComs show up at your front door with an eviction notice in one hand and a Molotov cocktail in the other, then the last thing you're going do is look over his shoulder for a walking corpse.
Max Brooks