Here's why:
* Ved Vyasa is believed to have been a compiler and organiser of the Vedic scriptures, including the Mahabharata and the Bhagavad Gita.
* The Bhagavata Purana, which contains the Shrimad Bhagavatam, was likely a collection of oral traditions passed down through generations of rishis (sages).
* Vyasa is credited with systematizing and arranging these stories into a coherent narrative.
Therefore, it's more accurate to say that Vyasa compiled and edited the Shrimad Bhagavatam, rather than writing it in the conventional sense. He played a crucial role in preserving and disseminating these important stories, making them accessible to future generations.