We can admit that sometimes it might make sense to fake your death. You know, like if you're on the run from the mob, or something. Or you could go a totally different route and fake your death for a really asinine reason. Kind of like these people...
If you need additional, outside precautionary measures to keep your family safe because the original "protection" you came up with involves shotguns hidden in cereal boxes and electrocuting microwaves, you've officially crossed a line.
Parents have been inventing stories about monsters to scare their children into obedience for centuries. Some cultures, however, took this idea a bit too far and invented creatures that a grown man would struggle not to shit his pants at the thought of.
Pretty much all of the cultures on Earth have believed in monsters for most of their history. But why? Well, it has to do with the wiring of the human brain, the evolution of cultures and, most importantly, the fact that people are jerks.
These are the people who failed, and failed so hard, that their failures became a source of entertainment for millions... and they cashed in accordingly.