Board Thread:Naruto Discussions/@comment-25051328-20140818021248/@comment-7292165-20140818171122

Sasuke does have tsukuyomi just as minor version of it so I guess they don't count it. Itachi's controls space and time while Sasuke's just control space. Sasuke used it on Killer B and C. And Mangekyo doesn't necessarily make your genjutsu better. With time it can develop but not automatically.