User blog comment:1dra7/Laaawt of Cussin' up in hea'/@comment-1221823-20120926042110/@comment-1874924-20120926043259

The problems with that approach are that (a) we don't want sensivite users to have to repeat their request every time someone joins the chat, and (b) peer pressure could make sensitive users feel unwelcome on chat. It's an inclusivity issue.