I reject this explanation simply because it isn't an interesting explanation.
Just to amplify that, there has to be a reason that Rowling!Voldemort hides on the back of Q's head. (Ok, the meta-reason might be that Rowling just thought this would be really creepy and didn't think about what would actually be smart for V to do, but that's Rowling!Potterverse all over: brilliant façade, nothing behind it.) So that reason, even if EY has to invent it on Rowling's behalf ("Rowling!V is stupid" isn't good enough), has to still apply. For EY!Voldemort to be in control of Quirrell some other way cannot be justified just by saying that EY!V is smarter and found a way. Specific differences need specific explanations.
The next discussion thread is here.
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 85. The previous thread has long passed 500 comments. Comment in the 15th thread until you read chapter 85.
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.
As a reminder, it’s often useful to start your comment by indicating which chapter you are commenting on.
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: