Epic fight scenes. I remember seeing the south park version and nobody knew what I meant when I said it was a rip of from the movie. poor millennial's.
Actually, I know a couple of people who actually practice with all types of primitive weapons. They can very consistently hit moving targets with slings & sling shots. They also make bow & arrows & Atlatl's (look it up :)). Granted these people put lots of time and effort into perfecting...