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 BrooksYou assume things, like whatever country has more firepower wins the wars, and that's actually not true at all.
Max BrooksWe relinquished our freedom that day, and we were more than happy to see it go. From that moment on we lived in true freedom, the freedom to point to someone else and say โThey told me to do it! Itโs their fault, not mine.โ The freedom, God help us, to say โI was only following orders.โ-World War Z
Max Brooks