This might belong in the Prop 8 thread, but it deals with a specific question that I'm looking for some insight on.
I was speaking to a right-wing friend of mine yesterday about Prop 8, and he leaned on an argument that I seem to hear a lot. I'm paraphrasing a bit, but the gist is "Being gay is wrong because it isn't natural. You don't see that in nature. How can we let them marry each other?"
Can somebody (maybe somebody who thinks this way as well) help me understand the meaning behind this? Let's just assume that gay sex is unnatural (from the perspective of pragmatism, a child can't be produced from the union). How exactly does that make it WRONG? Our entire humanity is based on things that aren't "natural". Driving cars, drinking bottled water, playing organized sports, going to college, working in an office. I don't see other animals doing those things in nature. So, are they wrong? I honestly don't understand the point. Hell, even heterosexual marriage isn't natural. We don't have any deeply ingrained animal instinct telling us to be monogamous...quite the opposite actually.
Why don't we just ban marriage altogether, since it isn't "natural"?
Why do we draw this parallel from unnatural to wrong?