Some people have a deep urge to start fires and burn down buildings. We punish people for that whether it's natural or not. Same with homosexuality. They can try to not act on those urges, but those urges are natural.
The course of action to take is to try to discover for sure what causes homosexuality. I believe it's abnormal hormones in the womb. If we can correct that, we can prevent many people from living sexually dysfunctional lives.
Which is why Federalism is the answer. Let them burn down buildings in San Francisco. The insurance companies will love it when they can raise the rate base.