Because it wasn't a throwaway anymore. His plan was to take over magical Britain as Voldemort, and have both the 'true' respect that comes from fear of what he can do to people and the pleasure of killing idiots whenever he wants. (And possibly to exterminate the Muggle world, but first things first.)
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 116.
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.)