>>54615299Huh? No one's arguing that Lillie is Nihilego in the final game, just that their connection was different earlier in development.
We know that Nihilego had a "Z-Powered Form" in earlier versions of the game, and Lillie calls her new outfit her Z-Powered Form even in the final product.
>>5461542990% of JRPGs have a character who can be summed up as "kind, mysterious female companion who's secretly not entirely human", and the Pokémon franchise has used it before with Lati@s.
Before the games came out they were playing up how mysterious Lillie is while saying Nihilego acts like a human girl. It was either a leftover from an earlier story draft, or a deliberate attempt to spark speculation and build hype for the game's release.