Not sure if trying to be serious, or just funny...

Each city already has a patron deity.
Ul'dah has two temples to Nald'thal and there are shrines outside the city.
Gridania has the altar to Nophica below the Skyserpent's egg on the way to the Stillglade Fane.
Across La Noscea, there are places named for the life of Lymlaen, Limsa's patron deity.
Ishgard honours Halone.
Sharlayan and Ala Mhigo have their own deities which I cannot remember off the top of my head.
The six are of the Pantheon of the Twelve.

EXPECT them to be plot-centric in the future.
I hold a personal theory that the primals are their manifestation.

And no self-respecting director should erect a statue of himself in his game.