Oh, I agree. HPMoR is entertaining, but it's not good as a didactic work.
That being said, is HPMoR really meant as a didactic work? It seems to me that Eliezer never really intended it to be a vehicle for teaching; see Chapter 1, in which he links to LessWrong at the very top of the page as a way "to learn everything the main character knows". To me, anyone really looking to learn rationality should look at the Sequences, not HPMoR--and from EY's disclaimer in Chapter 1, it looks as though he agrees.
Also, what do you mean by this part?
Harry always just happening to come up with the right answer for no reason
I don't recall that ever happening.
That being said, is HPMoR really meant as a didactic work?
We are talking about the fanfic where characters routinely block-quote from cogsci textbooks, aren't we?
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 122, which is the final chapter of the story.
Happy once-in-a-century Pi Day! (3/14/15 == 3.1415)
There is 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.)