Brock Weller wrote:
Because being useful is not nor has ever been a valid argument for keeping things. WP:USEFUL is the piece that better explains it i believe.
When I say I think something's useful in the context of encyclopedia-writing, I mean it's useful for _writing an encyclopedia article_. Any essay that would attempt to claim this is not a good reason for keeping something is approaching the point of self-parody, IMO.