The entire run of GA/BC has seemingly had as its mission statement the intent to undo any degree of competence and bad-assery Dinah gained during Birds of Prey (I'm sure you're already aware that the book has already quite shamefully put Sin on a bus into limbo much as happened with Charlie when the PTBs issued the kill order on BoP) in order to turn her in a incomptent adjunct to Ollie and his spawn.