Why Only 2 Naruto Movies Are Considered Canon

On top of the 720 episodes of Naruto and Naruto Shippuden, there are also 11 Naruto movies. However, only two of those are canon — here

How to Watch Naruto Movies in Chronological Order - IGN

Ranking Every Naruto Movie Villain Strongest to Weakest

Is “Naruto, The Last” canon, and is there any reference to Kishimoto confirming its canonization? - Quora

Complete Naruto light novels reading order, explored

Not Pain or Madara Uchiha, Naruto Has Only Killed One Shinobi in Canon History - FandomWire

Last, The: Naruto the Movie (BD) : Various, Various: Movies & TV

All Naruto Movies in Order (A Complete Guide)

What if all Naruto movies were canon? How would this affect the Naruto Universe as a whole? : r/Naruto

Every Significant Canon Relationship In Naruto, Ranked