https://www.wired.com/story/why-a-very-bad-unsafe-playground-stunt-sends-folks-flying/

Why do people do such dumb things? In today's dumb thing, these kids decide to use the wheel of a gasoline-powered scooter to spin up a small merry-go-round at a park. Oh, don't worry, they have helmets on so everything should be fine. NO. Everything is NOT fine. This is why we can't have nice things.