Gold Saucer outfits, gender locked?

[Ippiki]

She was acknowledged as a man for all of an hour at most, she was "outed" very early on in the game...

1 hour of game time =/= 20 years of pirating as a man. If you're using Faris as an example of how crossdressing is average and/or well-accepted in the FF universe, you chose very poorly.