Earlier quoted context omitted.
Jokes aside, writing this fanfic is certainly a curious use of time for someone charged with the task of saving the world from an apocalypse.
From the author's notes: I started writing this story in part because I'd bogged down on a book I was working on (now debogged), and that means my top priority was to have fun writing again. It might have helped in other ways, too. Release of this fanfic correlates with increased traffic on LW: http://siteanalytics.compete.com/lesswrong.com Apparently if you want to get more people to visit your site, write Harry Pot…
... If you happen to be as good at it as Eliezer Yudkowsky is. Which you probably aren't.