Here's why:
* Oral Tradition: Stone Soup stories exist in many cultures and have been passed down orally for generations.
* Simple Plot: The story has a basic, easily understood plot about sharing and generosity.
* Archetypal Characters: The story features characters like the hungry travelers and the selfish villagers, which are common archetypes in folktales.
* Moral Lesson: The story teaches a clear lesson about the importance of community and sharing.
While there are various versions of the story, the core elements remain the same, making it a classic folktale.