User blog comment:Semanticdrifter/Understanding Fair Use/@comment-4674838-20121127205336/@comment-3335785-20121130005712

It's worth noting RuneScape Wiki have recently issued a DMCA takedown request for content copyright infringement. Wikia, as far as I'm aware, refuse to act in any legal capacity and make a point of adding a disclaimer regarding legal advice should you happen to ask. I'd imagine they'd give a point blank refusal should the matter be pushed. (Incidentally the response I received was from the author of this blog).

Also, CC-BY-SA, due to it's nature, is somewhat tricky when it come to a DMCA request. Because the copyright is so fragmented across those who have contributed to the page over the years, it is not always possible to have the author of the content send a DMCA request.

When I asked, I was told (albeit with legal disclaimer) that whoever was in possession of the most recent edit to the page should be in a position to issue a request, although I've yet to see an example. Indeed the current request has yet to be replied to, although the requestee has a history of taking month to issue any real response.

This is of course forgetting the fact that the infringing site is UK based and Wikia's servers, and hence the copyright of it's content is US based.

A letter such as those seen on wikipedia would be useful in future, perhaps a Help page?