Board Thread:Theories and Speculation/@comment-36019309-20190114073523/@comment-35409024-20190117084522

Ninja Of War wrote:

What gives Itachi the authority to claim that and be true?

Kishimoto who stated and/or implied the same thing in two Databooks. Not too mention Itachi is the sole user of Tsukuyomi. Obviously those give him far more credibility than fan theories.