It is the Holy Grail of the homosexual lobby.
After all, if you cannot help your behavior, how could you possibly be stigmatized for it, no matter what that behavior is?
It’s all a red herring anyway. Just something to convince fence sitters to accept homosexuality “they can’t help it!”.
Sex positive agenda proponents don’t care WHAT causes it, they just want to see an end to ALL moral judgments of ANY kind regardless of sex, age, relation, marital status, number, or species of partner(s).
Snash monogamy and smash the patriarchy are their goals.