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.

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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?''