Zombies are everywhere in South Korea, feeding on fears and anxieties
https://www.stripes.com/news/pacific/zombies-are-everywhere-in-south-korea-feeding-on-fears-and-anxieties-1.663814
"Whenever the world is unstable and people are anxious, and there's a prevalent sense that social collapse is near, zombies surge in popularity," he said. "It's a creature that feeds on the anxieties and fears of any given society and morphs accordingly."
With origins in voodooism in colonial Haiti, zombies have for decades served as a social allegory providing biting (ahem) commentary in the U.S. Some of the earliest American zombie flicks by George Romero were charged with the racial tensions of the 1960s or the mindless consumerism of the 1970s.
"Zombies are human beings that have lost their humanity,"
"Zombies are often thought of as ignorant, unconscious slaves that simply follow along," he said. "But they can turn the world upside down. They can incite a revolution."