And even when bee was caught itachi said "don't look directly into my eyes"meaning the reason bee was caught in the first place was because he what? He looked into his eyes.But here's the thing that you're not paying to much attention to. Its not rather or not one can't be caught by itachi's genjutsu's,because we already know most people CAN be caught by them, its if you're prepared for it or not, and you used some perfect examples. Were start with bee. Why would bee need to worry about being caught by itachis genjutsus in the first place when he knows he has the means simply break them? Itachi could have thrown any genjutsu at bee that he wanted to and bee could have broken and proceeded with the fight like their was no tomorrow, after all bee had broken simple genjutsus, AND mangekyou genjutsus. He's always PREPARED. Kakashi,another good example. He wasn't worried about had the genjutsu had been real or not, Why? because he had PREPARED already, played everything out accordingly, and was successful when he set a shadow clone in place to FOOL yes, fool itachi. Kakashi actually proved that it wasn't all that hard to if you just stayed on your toes, PREPARED,and stayed focused. Orochimaru COULD have broke itachi's genjutsu,and was on the verge of doing so until itachi cut off his hand. I must say itachi moved fast as hell lol. Its like he knew if orochimaru would have broke out of that genjutsu he would have beat itachi like red head step child lol. What you should have got from ao's words that itachi genjutsu's were capable of being placed outside the range of weaker sensor type ninja. Itachi would have instantly been detected if he tried that on a sensor like tobirama who has the ability to sense COUNTRIES away. Itachis's genjutsus are outclassed by sensors of that caliber. I find it funny that despite the story saying at itachi has NEVER gone toe to toe with a sensory type ninja lol. You know why? because their a achelies heel to his genjutsu prowess. In fact that the only time itachi's genjutsus are a actual threat to any sensor is if their unaware of him. If they are aware of him countering his genjutsu's would be a simple task due to being able to sense his chakra. But back to the matter at hand even though danzo can be caught in a genjutsu none of those genjutsus would be all that effective and they damn sure wouldn't make it up to the point where they're a deciding factor. Allow me to explain...LOL i've always wanted to say that lololol.. Exhibit A, shisui. He uses a genjutsu on danzo,gets beat up,and loses a eye, and that was directly in front of him, the main reason why because no matter how hard they try tried rather it be shisui,itachi, or sasuke the can't detect where danzo will reappear after he uses izanag. So did a genjustu really do him any favors? I thought genjutsus were suppose to be hax? Lololol. Exhibit B sasuke. He uses a genjutsu with itachi in it to psyche danzo out,runs into a trap, AND ends up almost dying because danzo was PREPARED for it. Once again...played no favors..,So its not the fact the you get caught in the genjutsu its if you're prepared to deal with it or not and most the people you just named kakashi,bee,and danzo have that in spades by either having a source of power strong enough to break it, having the means to bypass and counter it, avoiding it by knowing its coming,obscuring the sharingans vision, or simply PREPARING ahead of time and not getting caught at all by using techniques sharingan can't see through and have no effect on.. Just to name a few,the list goes on.. Theirs a endless number of ways that the characters you named can get pass itachis genjutsus and rekt him lolololol. Once you get pass itachis genjutsus and force him to actually fight depending on your level of skill he ain't that hard to beat. Knowing itachi the moment he realizes hes out of his league he'll just run away anyway.If you know what to do against itachi he's nothing special. And the story has also depicted many ways to bypass his genjutsu prowess all you must do is stay PREPARED lol.