Mark Clements wrote:
Except that the pages we need to block in this case are pages that will never need to be created, so it won't get in the way of any legitimite activity which a captcha would.
- Mark Clements (HappyDog)
How many anonymous users have a legitimate activity of creating pages on mediawiki.org? How many to create them on an even namespace?
http://www.mediawiki.org/wiki/Special:Newpages seemed to contradict myself, showing three pages created by anons. They were a blanked 'edit experiment' and two "hacked by"