Apparently, the "creative differences" between MacLaren and Warner over the Wonder Woman movie was how to make the movie. She wanted to do an epic action movie like Braveheart while Warner wanted to do a more less action, character driven movie. Um, Wonder Woman is an action based story? The studio didn't think MacLaren could handle the project because she was a "TV Director" who directed episodes for Game of Thrones, Breaking Bad etc. So after MacLaren quit, they immediately released the name of the replacement, Patty Jenkins, another "TV Director" who directed "The Killing" and the indie movie "Monster".