Koreans also believe that the fast-moving air caused by the fan makes it difficult to breathe, causing people to choke. Because of these beliefs, automatic shutoff timers on fans in South Korea are seen as a life-saving feature. Not all people is South Korea believe this, but it’s best not to try to sway them for the ones that do. Even if you can scientifically prove your point, you’re still likely to be doubted by superstitious people in South Korea.