The result was keep. henrik• talk 06:30, 20 February 2012 (UTC) reply
If reasons are given, "usefulness" can be the basis of a valid argument for inclusion. An encyclopedia should, by definition, be informative and useful to its readers. Try to exercise common sense, and consider how a non-trivial number of people will consider the information "useful". An argument based on usefulness can be valid if put in context.