How fucked are you to come read a story about homosexuality and complain about other sexual minorities? Ktbn.
Incest is also common in straight people though. Incest “only” became a taboo because of what will become of the child that will be born. Since both guys cannot bear children, then that negates the claim that incest is a taboo, making incest allowed between men and people who don’t want a child anyway (lol they can adopt one, and even if blood-related heterosexuals try making a baby, it’s not 100% guaranteed that the offspring will be “sick”; if anything, they could just go to a hospital and have some sort of examination on the probability that the child will have any abnormalities.) :’)
It is in fact a biological taboo.there is genetic material to prevent us from loving our family parents and children with whom we are raised from small age. We are not supposed to mix our genes for health reason (terrible result of doing so can be found in monarchs genealogies)
This aversion or lack of attraction for family members was studied by Westermarck about the same time Freud went on with his nonsensical Oedipus complex, and it completely wrecks it, on ethnological an biological basis.
But the key to that biological barrier is to be raised together (which explains perfectly our poor greek character troubles).
The social inheritance of this natural repulsion does not have this limit
Disgust is not too rationnal a thing, so the part about the zero baby risk is a nice intention, but our brain surf on emotions. Our reactions to our taboos are pretty hard to control - if even possible to

You just fked your dad...
Really....
how fked are you to fk your dad?