This homosexuality keynote by Judith Butler addresses some common beliefs on the origin and our current understanding of sexual preferences.
Judith begins her homosexuality keynote by saying that discourse involving homosexuality leads to a better understanding and acceptance. As a result, she says that it may lead to the possibility of people letting themselves live a homosexual lifestyle. The acceptance of homosexuality and other sexual preferences will allow people to feel comfortable being who they truly are instead of denying themselves from fear of being persecuted.
With that being said the discourse around this lifestyle choice is not the root cause to homosexuality. It will not produce or create homosexuals; it will just make them feel okay about who they are.