"More unique"... in what way? Comparing characters from different franchises doesn't seem like a good way to determine that, nor the quality of the characters.
I remember when people were mad about Joker "taking" stuff from Sheik and Robin, as well as Hero taking normals from Link and Roy. "Fun" times.
That said... I do agree with "moveset potential" being mostly useless right now. While it certainly doesn't hinder anyone, it's not absolutely necessary, as proven by things like




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.
Ultimately, whether you see moveset potential in a character depends almost exclusively in how we see them personally, nothing else.
And I swear I'm totally not saying this because I support Arle Nadja and Phoenix Wright, no.
Hm. Maybe it could be an opportunity for us to get more FF content? It would be lovely if it happened. I really don't see us getting another unique FF character, but hey, if it happens, I won't be the one to complain.