I don’t usually believe in studies myself, however I have seen this far too often in my life so far i.e. homophobes coming out as homosexuals later in their life. So yeah…
That’s only because in the western parts of the world lesbianism is fed to us to be OK by the Media (especially adult movies). Go to the eastern parts of the world (Excluding Japan) and you will see how it’s just as unacceptable.