Well, it is without question that it does not carry the FF title and at this point has become its own IP after spinning off from FF, but in my view, it's still very much a Final Fantasy experience and one that is very self-aware about it. Up until the point the game' story changes from the traditional FFI/FFIII/FFV storyline with restoring crystals, the subtitle has the initials "FF". After that one plot twist happens and the story starts to be deconstructive, the Fs disappear.

So yeah, while it's its own thing now, I will still personally treat is an FF, due to it being really deeply rooted in FF tradition. And of course, everyone has the right to disagree. It's just how I see things/