Board Thread:Theories and Speculation/@comment-45444155-20200806114740/@comment-6769189-20200807170049

And Itachi made it clear that Uchiha abused Izanagi in the past

Zetsu made it clear that Madara was the first to implant Senju DNA

Amd Kishimoto made it clear that Madara used it before implanting Hashirama DNA.

Kishimoto made a retcon. And either Obito was wrong/mistaken/lying. Pick one and deal with it