"If homosexuality was a genetic mutation it should of died out within the first generation, unless early homosexuals were reproducing with women anyways which doesn't make much sense. I can see bisexuality being genetic, but not homosexuality."
- The evidence just isn't determined by whether you're able to see it work or not.
http://www.jstor.org/discover/10.2307/2881563?uid=3737880&uid=2&uid=4&sid=21106272504473http://www.ncbi.nlm.nih.gov/pubmed/9549243
So you probably need to think more about your explanation rather than taking your explanation for granted and imposing it on a world whose evidence conflicts with it. That is how science works, at least.
I'm not really going to bother explaining how genes work here as I guess it shouldn't really be necessary to see how this is wrong. Maybe I should just point to the fact that there are ants that don't reproduce but are still allowed to exist by evolution.
"Would you happen to have any links to that? It wouldn't surprise me, I just want proof if things are really getting to that stage. One thing leads to another, supporters of things like beastiality and polygamy see the "It's okay if they love each other" argument getting pushed and believe they can use it as well."
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https://yourlogicalfallacyis.com/slippery-slopeNo. LGBTs being able to live how they want doesn't lead to bestiality being legalized any more than letting heterosexuals have sex does it.
"LGBTs try to enforce their lifestyles all the time with the always prevalent strategy of forced tolerance. It's literally getting to the point of "Tolerate it or be banned from all society" point in some areas."
- Forcing others to stop discriminating against them isn't imposing their lifestyle. You don't have to actually live an LGBT "lifestyle" to avoid discriminating against others or trying to ristrict what they can do with things that in no way affect you.