Originally Posted by
Theodric
You have no real ground to stand on, though. The game already has at least one outfit with wings built in. It also makes use of demonic and angelic wing based aesthetics elsewhere - such as the Blood Guard enemies in Void Ark and Kirubu in Amdapor. You can even turn into a Succubus and Kirubu in Palace of the Dead.
...and that's not counted the simple fact that this is a Final Fantasy game, a series where many antagonists take angelic and/or demonic forms. That you, yourself, find them to be tacky is largely irrelevant.