engine - 3:14 pm on May 30, 2011 (gmt 0)
Surely, libel is libel, whatever media is used.
The interesting part is whether a media company reveals details of a user in another country.
Now that this has been done, it does open the doors for other similar requests to be fulfilled.
When extensive details can be revealed about a user, it's only the most savvy that may be able to satisfactorily obfuscate their identity.