Could you precisely state the flaw you see? You say "silly" a lot, but what specific behavior do you find objectionable, and why?
I don't see the same behavior in the silly girls and Hermione. The girls play gossiping romantic fantasy, which Hermione herself has contempt for. The closest behavior is Hermione getting emotional about her relationships with Harry and other people, and what people think of her. Is having emotions about what others think a character flaw?
I go into more detail a bit elsewhere in the thread. She becomes hysterical about Draco, indulging some bewildering sort of friend-jealousy or romantic precociousness, moralizing to an unforgiving degree that she cannot possibly endorse if she thought about it for thirty seconds, making sweeping unsupported assertions about human psychology, determining of a sudden for no reason that Harry was supposed to be Science Monogamous with her, throwing a tantrum that is not necessarily age inappropriate but is not in keeping with her typical level of personal ma...
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 87. The previous thread has passed 500 comments.
There is now a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)
The first 5 discussion threads are on the main page under the harry_potter tag. Threads 6 and on (including this one) are in the discussion section using its separate tag system. Also: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17.
Spoiler Warning: this thread is full of spoilers. With few exceptions, spoilers for MOR and canon are fair game to post, without warning or rot13. More specifically: