What might the horrific image of mindless hordes out to eat our brains represent in the 21st century? It could symbolize whatever we fear will overwhelm and engulf us: epidemic disease, globalization, Islamic fundamentalists, illegal immigrants and refugees. Or it could be something less tangible and more existential: the loss of anonymity and individuality in a complex world, the threat of impersonal technology that makes each of us just another number in an electronic list.
people are scare of what they don't know and the problem is that they don't take the chance to learn it. The American people think that it's the stranger who is root of all their problems. People always always need somebody to blame