It would scarcely be possible to overstate how un-seriously Wikinews takes Signpost's coverage of Wikinews. We typically don't even bother to try to debunk falsehoods about Wikinews when they appear on Signpost, figuring they're too numerous and the forum is too biased for meaningful dialog.
Of possible interest: * http://ro.uow.edu.au/lhapapers/428/