The theory that most SciFi geeks prefer the tough, gruff, physical, honorable warrior stereotype character to the prissy, arrogant, know-it-all character, even though (or because) most geeks resemble the latter more than the former.
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Of course we all know who JadziaDax preferred.... Bashir lusted after her for years but got nowhere; Worf shows up at StarTrekDeepSpaceNine and poof, they're married. Of course, soon after she discovers that the StarTrek writers treat Worf's women like they treat RedShirt-wearing ensigns...
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Geeks resemble WesleyCrusher even more than Bashir (Bashir at least is somewhat sophisticated), and like him even less...