Quote Originally Posted by Rokke View Post
The quest literally tells you why they're allowed in Ul'dah: Ul'dah barred beastmen out to drive out foreign market competition (ie. Goblins). The beastmen in the BLU quests are neither native to Eorzea/local nuisances (Amalj'aa) nor are they merchants (Goblins) so they get to stick around as part of the circus troupe.
I think the lady mentioned how Mamool Ja weren't mentioned in the laws at all, so it was a technicality. I'm sure Lupin, Namazu, and Kojin could slip between the cracks too.