This debate is likely to be skewed to the side of pro-acceptance of homosexuals.
Of course these are the genuine opinions of those who have already contributed, but it is worth considering that by the the rules of the forum (no sexism, discrimination, etc.) it's much less likely we'll be receiving the viewpoint of anyone who is against homosexuality.
Because of the rule, any actual religious homophobes would be largely reluctant to share their views (if the rule hasn't driven those sorts of thinkers away in the first place), meaning we're only hearing the point of view of those who accept homosexuality.
I just thought I'd point that out. While this is an interesting discussion, there isn't much room for varied opinions.
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Personally, I'm happy coexisting with those who have views opposite of mine, whether it's sexuality, religion, politics, etc. While I'm not an atheist, I don't quite fit into one religion or another. I believe in a higher power, sentient or not, and I believe there's something beyond death than just nothing. (I feel enticed to delve deeper into my religious views, but I realize that's off-topic and potentially offensive.
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I see little need to make the business of other people, and their preferred sex, my business. Really, people should be able to think/do what they want, so long as they aren't shoving those ideas down the throats of others, or harming other people in the process of this.