Board Thread:Theories and Speculation/@comment-26636534-20180125151653/@comment-734582-20180125193607

Namikazenaruto9 wrote: This is quite interesting though another prerequisite is acceptance on tailed beast part. Naruto got their acceptance, Kabuto could get it eventually if he tried to steal gedo's DNA. You don't need to be friends to use their chakra. It just helps a lot.

But yea, seems to me he was planning to steal the Biju for his own use. I mean he did try to capture Bee and Naruto without Obito's knowledge.