Originally Posted by ask me anything
Oh yeah, and Kishi either really dumbed himself down this chapter or Obito is planning something Madara doesn't know about. I'm referring to the dialogue in which Obito says the only reason madara doesn't nuke the place is because Obito would get killed too. Um, okay, did Kishi suddenly forget Obito can travel to an alternate dimension, derp derp.
Obito's attached to the Juubi the same way EdoMadara is. He can't use Kamui to dimension shift while that physical connection remains, but if he even temporarily severed it the Juubi would be completely out of both of their control.