I read up on this one for a while. It's useful insomuch as it's by the same person who, fifteen years ago, conducted a study and decided bisexual men didn't exist, that essentially it was a self-construct, which is the root of a lot of bierasure staples like "It's a phase", "All bisexual men are secretly gay", etc.
So it's them basically admitting they were wrong and self-identify is matched by provable arousal. How far that will go to undo the damage their first study caused is debatlable and really they just should have listened to bisexuals in the first place.