Death in fiction reflects the tragedy of death in life.

To pretend that FFXIV avoids character death because of good writing is just lying to yourself: The game constantly kills characters, but it's the meaningless faceless nobodies you don't care about, rather than the main cast who get a protective sheathe extended to them every time the situation gets dangerous - and it gets dangerous freuquently, it's in the DNA of the story to be martial. This happens because the writers don't want to kill their characters out of either love for their own characters over the story, denial or overt unease around tragedy affecting personal affairs, concessions to the MMO framework or fear from customer backlash - the ideology that killing off characters is "bad writing" is a post-hoc rationalization.

There will be no main character deaths in FFXIV.

G'raha, Alisaie, Krile, Alphinaud, Y'shtola, Urianger, Thancred and Estinien survived the apocalypse. There's not gonna be a Mamool'Ja stabbing them to death in the next expansion. They are forever safe.