Board Thread:Naruto Discussions/@comment-26367861-20161025235033/@comment-28551743-20161026130608

It takes way too long for hashi cells to cultivate with the Mangekyou Sharingan for Obito to have awaken his own rinnegan at the point/age we saw him in. He would have had to live like 15-20 years longer for it to have done that.