Overused practiced as it may be, the "true villain" practice isn't that bad if it's used correctly. I like the idea of Guardian (or maybe even RF) being the true puppeteer because it really questions if one can control the darkness, or if that control is merely an illusion.
Maleficent thought she could use the darkness by controlling the Heartless, but it ended up using her; having MX being a pawn himself this whole time would be more or less the same.
The main issue isn't that it isn't "bad" if used correctly but that it has been already done to death in the KH series. Even if used correctly all the time there is only a limited number of uses you can do with a single plot device before it becomes stale and eventually either bores or alienates the audience.
They already had a similar setup in Final Fantasy IV with Kain being controlled by Golbez, but Golbez again being controlled by Zemus, yet in KH it's even worse than that.
Guardian being the true puppeteer is a theory that has been around since BBS, and knowing Nomura I doubt that he would go on a route that obvious while the RF is really just a piece in the overall grand plan. Just like Count Dooku was just a piece in Darth Sidious' grand scheme.
The main problem that arises though if you question MX's control of the darkness and thus imply the heinous actions he takes as not of his own free choosing, but manipulated by the darkness (either RF or Guardian or whatever else entity comes to mind) works like a total boomerang that would reduce the "Darkness has not to be evil"-statement to absurdity.
In that case, Eraqus and other Masters would be completely correct in sealing/imprisoning Darkness wherever it is found because any "control" you can possibly have is only an illusion. The arguments that Darkness has to be sealed away/given no quarter at all would then gain much more credibility not even because it's "evil", but because it's something that cannot be controlled, so access to it must be made as slim as possible.
We have been fighting the same being since the beginning, he has the same conscience which in turn means they all think the same. Xemnas and Ansem SoD is just MX split into two. They all want Kingdom Hearts so they can reach higher existence.
It didn't matter if Xemnas or Ansem SoD would do it first, MX would still be the winner.
And that's exactly what's wrong about this sentence, as they have
not all the same consciousness and mind, as Nomura explicitly stated that Ansem SoD and Xemnas function on minds of their own. They have part of Xehanort, yes, and act according to his will, but they aren't MX's own consciousness.
In DDD, MX's own consciousness actually does manifest himself in Young Xehanort overriding YX's own consciousness, as that's what allows YX to suddenly summon a Keyblade.
That is correct though, but because they were all working towards the same goal. To Sora & co, it seemed like Ansem or Xemnas where the highest up guys in charge, when in reality they were just enforcers/Generals acting on order of MX himself while
still giving each of their plans a spin of their own.
Funny thing about that is Nomura said that despite Ansem and Xemnas being apart of MX they each have their own distinct minds from one another.
Correct.
In DDD, we even get to see an example of that when MX's consciousness overrides Young Xehanort's, proving that it's not just one consciousness divided between several bodies/incarnations.
The theory of the guardian being the one pulling xehanort's strings is interesting but unlikely. He wasn't even born until xehanort created him during his fight against aqua
Moreso it's so obvious to deduce that it's almost too easy.