Because we used to live in the garden of eden where everything was perfect, but then we sinned against god and if we don't repent we're all going to hell. I'm

Because we used to live in the garden of eden where everything was perfect, but then we sinned against god and if we don't repent we're all going to hell. I'm joking a little but I'm also serious. I kind of think that humans are somewhat hardwired to think this way given that so many people believe some version of this story.