I just keep reading posts where people are trying to argue that things that happen in fillers are actually part of the true storyline. The problem is with the majority of the fillers is they exist in their own fragmented episode that's never mentioned again or even at times contrary to what's been seen. The same goes for movies for example their isn't a Zero tailed beast (which was in one Naruto movie), Naruto doesn't use a tornado rasengan, and Sasuke doesn't use Chidori needles. Sora (the pseudo 9 tails jinchuriki) doesn't exist in the manga timeline and is never mentioned.
If it didn't happen in the manga, it's not really part of the story.
If it didn't happen in the manga, it's not really part of the story.