During the FATE "The Prodigal Son" in Mor Dhona, you follow the NPC "Rugged Researcher" from Mor Dhona to the Sons of Saint Coinach.

One of the earliest lines he says, while I don't remember it word for word, can be paraphrased as "Be wary. The gigas have no love for the five races."

Shouldn't that now be six races, or is this guy so into his field that he completely missed the Au Ra landing on Eorzean shores?