User blog comment:DaNASCAT/Technical Update: April 4, 2011/@comment-1997905-20110405183037/@comment-1997905-20110405192017

It would be nice if we could get Special:ListUsers/sysop for anons. From a Wikia standpoint, more anons might create an account if Special:Signup was added. That's all I can think of off the top of my head, but I'm sure there are more.