Board Thread:Versus Debates/@comment-31338621-20190129080042/@comment-9782468-20190206154810

That's insanely speculative, especially considering Minato is the fastest Shinobi in history.

Even if Itachi activated his Sharingan before anything, Minato will see the pattern emerge, and he knows who Uchiha are. He'll look away. Activating the Sharingan and using its Genjutsu aren't simultaneous things.