The wiki says the Nanocarbon scalpels can be used by all classes and rogues can also use the Ion Recurve bow(s)
Oh yeah, I completely forgot about the bow. I did mess up on that one, that is one thing that is Warrior/Rogue from the ark weapons. Though I didn't count the scalpel since it's usuable for all classes so it's also an extra thing Clerics gain too.
It doesn't seem strange to me at all....why is it weird that an alien can wield a sword from their home planet (or at least it was made by their own people)?
It isn't weird that Muu'dari can wield weapons crafted by their ancestors, it only seems strange to me that Clerics are the one that can wield the Ark sword while Rogues are the one that can wield swords for the entire rest of the game (except the Paladin longsword)