The message where is this: When a man is 100%, he is that. Leave him alone.
Many gay men are very, very gay, and really don't have a straight bone in their body. T
That said, there are men who bisexual, or have a a little gay or a little straight in them. That's something else. That needs to be respected, too.
The other problem we have is bisexual men who are not accepted by hetero porn/straight world (bisexual women are very, very accepted, and always have been in the porn world).
I will say that most gay men are very gay. I have met a few bisexual men, and can tell they are after knowing them a while.
Peace.