Is professionally-published Fan Fiction the next victim of Betteridge's Law of Headlines?

Rachel Edidin asks: "Publishers Are Warming to Fan Fiction, But Can It Go Mainstream?"

Literary publishing's uneasy relationship with fan fiction has been complicated by the realization that fandom is a huge potential market—one stocked with both prolific authors and enthusiastic readers. But tapping that market is a dilemma few publishers seem quite prepared to engage.