Whatever helps Moira's workflow.Brint is still getting content. In fact, wsan's recently been working on and off on something that a lot of Brint fans should really enjoy!
Moira definitely does not work on things according to strict priority of when content is written or about to be implemented. Within certain constraints, she works on things more according to artistic inspiration than a first-in first-out queue. I wouldn't use CG/bust completion as a guide for whether something's fully written or not.
Honestly I do enjoy the art in this game a whole bunch. And replaying a bit of CoC recently really helped me realize just how far Fen and Savin have come from a game design standpoint. Not having an in game map now gives me anxiety.