Coincidentally, Blaise and Theo seemed to have developed an actual liking of the cause they were only pretending to support. He found them holding court with a variety of the Hogwarts elves in their dorm room one night. They were campaigning for Granger. Of course she would lead a cause whose victims do not even want the cause in the first place and need to be talked into it. Bleeding heart Gryffindors.