One point that may support my theory. Since Sasuke is almost blind now, and since he`s exhausted from all the battles(i think and hope so) he may talk a little with team 7 next time, before he passes out and then team 7 takes him and Karin back to Konoha where Sasuke get interogated or at least held captivated. Then Madara finds out and he and Zetsu comes up with a plan to "resue" him, and during Sasuke`s time there, Naruto may talk some sense into him, or at least convince him a little that what he`s doing is wrong and out of controll. Maybe Itachi`s gift is him appearing in front of Sasuke while Naruto is talking to him and manage to fully convince Sasuke to stop his madness
PS: By team 7 i mean everyone without Sasuke