the·o·ry - theory
Late Latin theoria, from Greek theōria, from theōrein
4 a: a belief, policy, or procedure proposed or followed as the basis of action <her method is based on the theory that all children want to learn>
spec·u·la·tion - speculation
: an act or instance of speculating: as a: assumption of unusual business risk in hopes of obtaining commensurate gain b: a transaction involving such speculation
I could go on, but chill man. Majority of the posts you speak of are base off of those ideas. We don't know for sure until we're told in the manga. Who made you the fore figure on th Sharnigan? Chill man.