Board Thread:Naruto Discussions/@comment-34436445-20180703141210/@comment-31099706-20180705181651

Elveonora wrote: I suppose the authors just have enough faith in us to think that the fanbase is adequately intelligent to deduce that the tomoe = Sharingan, but apparently not. The in-universe explanation is most likely the same, the characters have deduced the obvious. I don't know how many times I have to say this to you, but I get why and how Sasuke has his tomoe, but even if you and everyone of us know about this, the others shouldn't. That's the logical thing. Please understand this time.

And it's not what they deduced off or what they think of it, it's why they didn't think of it onscreen, the first time they saw it.... Well I had enough of this weird discussion.