I've assumed this for a long while. "Dumbledore does things for no real reason but accidentally gets important long-range decisions right all the time" never made any sense. There were some other possible but unlikely explanations for the rock, but you add in his meddling in Lily's life and other times when he seems to be walking down a known, pre-determined path and it's just too much.
Dumbles is wading knee-deep through prophecies, always has been.
There's also the alarm clock he gave Professor Trelawney--as I understand it, readers have assumed that it's spelled for surveillance. So there is at least one known mechanism by which Dumbledore would have extraordinary access to prophecy.
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 110.
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.)
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: