Here's why:
* Oral Tradition: The story has been passed down orally for generations, with variations appearing in different cultures.
* Simple Plot and Characters: It features basic characters and a straightforward storyline, focusing on a common human experience (fetching water).
* No Known Author: The exact origin and author are unknown, making it a traditional tale.
* Themes: It carries common themes like perseverance, cooperation, and the dangers of greed (depending on the version).
While there are various versions of the story, the core idea of Jack and Jill going up a hill to fetch water, and one of them falling and getting hurt, remains consistent.