It's important to note that:
* Rumors and speculation can easily spread online. Without concrete evidence, it's best to avoid spreading unsubstantiated claims.
* Personal experiences can vary. What one person perceives as "mean" another might see as a playful joke or misunderstanding.
* Cast members generally have positive things to say about Jamie Lynn Spears. While there may be some occasional disagreements, overall the cast seems to have a positive relationship.
If you are interested in learning more about the Zoey 101 cast's experiences, it's best to look for interviews and articles from reliable sources.