Quote Originally Posted by February
Well i don't think the chapters have really shown us that sharingan overpowered MS, its just something Sasuke said. And besides, Itachi has said before that sharigan is resistant to MS (when he was fighting kakashi) so Sasuke able to break Tsukuyomi just means that he had enough power to resist it. I don't think Kishi is trying to say that Sasuke with normal sharingan > Itachi with MS
I actally think that Kishi tries to pull it off...

"Experienced" "Normal" Sharingan User (Sasuke) > MS (Itachi)