Most people ignore women's general bisexuality, and confuse this by equating sexual preference as "complicated".
Not for men (for the most part, as in 99%). They either love vagina, and are disgusted by penis, or vice versa.
On the other side, most "straight" women, fantasize and experiment with the same sex, and to them, preference is usually on a sliding scale.
That all said, sexual preference is further confusing when we have a large subset of straight males, being attracted to very feminine transsexuals, like Bailey Jay.
To me this means male sexual preference is holistic, meaning if you pass as a woman, but have a penis, you may attract many straight males, who would gag at the idea of a well toned and very masculine male.
Even if the masculine "man" was a woman passing as one, with a vagina.