Board Thread:Versus Debates/@comment-43403813-20191212024545/@comment-34656247-20191214210253

It's still a dimension, Obito needing tons to chakra just to teleport into kaguya's dimension proved how superior Kaguya's dimension is. Kakashi using reverse summoning to escape the dimension would take him to Pakkun-Land, which would put him out of the war.