Perhaps, No matter what, don't let your wiki interfere with the evolution of another wiki unless the two can be harmoniously integrated as members of a consensual InterWiki.
See Also: PrimeDirective.
I sense the incipient formation of a PirateWiki that will automatically grab-and-delete all pages from all other wikis. Arm photon torpedoes! Fire phasers at will! Ramming speed!
WikiBorg, anyone?