Board Thread:Naruto Discussions/@comment-4682609-20140806081616/@comment-1622149-20140806163127

Elveonora wrote: "Naruto and Sasuke's gifted powers are permanent, so should be Kakashi's Sharingan" ....

there a big difference is that the power gifts were given a little different.

Obito entered Kakashi subconscious where Hagoromo appeared out of nowhere and the people he gifted his powers are descendant of him.