Jeez, the dodgy science is out in force already.
We can't technically rule out the possibility that homosexuality may have a "biological" basis. What we can say is that people have been searching for such a thing for
over 150 years now and have found precisely nothing to demonstrate that this might be the case. What little evidence there is is either deeply, deeply flawed or cannot be reliably repeated.
At this point, I think it's
more offensive to assume that homosexuality is something so abnormal it requires a specific anatomical explanation, because no "heterosexual" has ever had desires, fantasies or feelings towards anyone of the same sex. Oh, wait, actually an awful lot of people have.
rutger5000 said:
To be honest, I kind of see what you're getting at.
I personally feel it can be very affirmative to say that homosexuality is a choice, not in the sense that the sexual attraction itself is a choice, but in the sense that choosing to live a life in accordance with desires, choosing not to compromise yourself for other people is a choice, and it's a choice worth making.
This is something I think we very much owe to the pride movement, because part of the ethos of pride is affirming that you aren't just a slave to something you know is wrong, that being different to other people does not devalue your existence. In the past, people often assumed that being gay (or even openly bi) would doom you to a life of loneliness and unhappiness followed by suicide or disease. That's not true any more, and I think there's something to be said for celebrating the choices we do have rather than, essentially, looking for ways to apologize for being what you are.
However, we also have to deal with a world in which some people still believe homosexuality can be "cured", and where some gay people are deeply, deeply unhappy with their sexuality, and right now there are some very manipulative people in the world who are making a lot of money out of offering those people treatments which simply don't work and which are generally highly abusive and horrific in what they actually end up doing.
Thus, it depends on how you phrase it. Simply saying "homosexuality is a choice" without clarifying what you mean might be read as insulting, but I think if you are willing to qualify what you're talking about it need not be.
Or to put it very very simply, there's a problem right now and the problem is that saying
"homosexuality is a choice" generally entails an unspoken
"..therefore, you should choose to be straight".