Assuming those are horcruxes, not like parts of the Philosopher's stone or something (but Horcruxes are more likely).

Totally-not-going-to-happen reason for Hogwarts to stop playing with a snitch: the "air" horcurx is a snitch. Dumbledore realizes that Snitches are dangerous, and bans touching them. (Much more likely: Mcgonagall becomes headmistress).

Quirrell in Ch46 said they " sound like something of a riddle," which I guess could be interpreted to mean Tom Riddle, which may be evidence in favor of horcrux-status or something similar.

1skeptical_lurker5yThe entire world plays with a snitch. It seems very unlikely that any one school would stop playing with a snitch (and thereby ruin their preparation for games against other schools, adult competition etc). But, if the whole of Hogwarts stops playing altogether, perhaps because the school has been destroyed, then technically they have stopped playing with a snitch. The last act of whoever is the head (Dumbeldoor might have died) is to declare that in the last year of Hogwarts, all houses won the cup, as a symbolic act of unity in the face of tragedy.

Harry Potter and the Methods of Rationality discussion thread, January 2015, chapter 103

by b_sen 1 min read29th Jan 2015174 comments

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New chapter, and the end is now in sight!

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 103.

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:

You do not need to rot13 anything about HP:MoR or the original Harry Potter series unless you are posting insider information from Eliezer Yudkowsky which is not supposed to be publicly available (which includes public statements by Eliezer that have been retracted).

If there is evidence for X in MOR and/or canon then it’s fine to post about X without rot13, even if you also have heard privately from Eliezer that X is true. But you should not post that “Eliezer said X is true” unless you use rot13.