Let's face the facts people:
Homosexuality is wrong.
If everyone was homosexual then reproduction would be a forced activity. Species survive, flourish and evolve because male and female counterparts lust for one another. When they don't, humanity moves forward. Heterosexuality is right!
No, in fact:
All sexuality is wrong.
Human beings are more than animals that are born to breathe, drink, eat, hump, sleep and die. We have minds that need to be cultivated, hearts that need to be loved, souls that need to be nurtured, and we possess to capacity to build grand civilizations wherein everyone can achieve fulfillment. Sexuality is a distraction from this, it reduces us to less than we are, to objectified commodified pieces of meat that make the opposite sex (or the same sex, equally atrociously) go crazy and lose their humanity. Humanity is right!
No, in fact:
Humanity is wrong.
Who are we to stumble around this planet with our silly-ape faces (considering how old life on Earth is, and how young the human race is, we would most fairly be termed a rambunctious species of highly evolved ape) spreading fire and disease and war and industry and pop music? In our arrogance we are destroying this planet's unique biodiversity and limiting the potential of all life on this lucky rock of 'ours'. And we can't even say "well, at least we're enjoying ourselves!" because we're not! We're making eachother miserable while we're making the rest of the ecosphere suffer! Life on Earth would be better off without us. Life is right!
Incorrect:
Life is wrong.
Think about how much more peaceful the world would be if it were a big, inert rock floating around the sun without any drama taking place upon the thin layer of green scum that covers much of its surface and infects much of its oceans. Disgustingly enough, there might even be life on other planets! How great the universe would be if it were cleansed of this pest called life, if there were only stars, planets, asteroids, comets, solar systems, galaxies, black holes, galactic clusters, all dancing their great majestic dance as they expand infinitely, slowly and humbly giving way to entropy and returning without complaint to eventual singularity. The universe is right!
Hell no:
Everything is wrong!
Before the big bang, everything was essentially nothing. The entire universe was condensed into something the size of a single grain of sand. There may have been matter and energy in some form but, in the absence of time or space, they were enjoying peace and quiet. No rock was orbiting any ball of flame, no green things were crawling around on those rocks, no goofy looking two-legged animals had emerged from the goo to piss everybody off, strange creatures kept their penises and vaginas apart... strange penises stayed away from strange anuses! What more could anyone ask for? Everything is wrong, we need to go back to nothing, that nice state of affairs we had before the big bang. Nothing to worry about there. Nothing to argue about. Best of all, nobody to argue! If big bang/big crunch theory is right, it's just a matter of time.
So let's wait.
...
Hm.
...
While we're still here, sifting through deviant porn, making babies, chopping down rainforests, being dysfunctional parts of complex ecosystems and watching the stars spin, we may as well relax, eh? Maybe everything is wrong, but what's the point in thinking about it like that? Maybe everything is right! Maybe the universe is beautiful and we ought to appreciate it, maybe life on earth is unique and we ought to cherish it, maybe humanity has the potential to be good and we ought to strive for that, maybe having kids gives us an opportunity to build a better tomorrow and we ought to embrace that! Maybe some goofy-looking apes like other goofy-looking apes of the same sex and, if we for whatever reason we can't stomach the thought of it, we should just leave them alone! It's not as if we have an underpopulation problem today, right?
But maybe tolerance isn't enough. Maybe we ought to find a way to love everybody. Which brings me to my conclusion:
Everyone that isn't bisexual is wrong.
Just joking. But we are as we are, all of us together and each of us apart, and I think that we should work with that. Why deny anyone else the right to love who they want to love? To marry who they want to marry? We decide what he hold as sacred, and we decide how to define sacredness, why do this in a way that excludes so many otherwise well-to-do people?
The explanation, far from being a justification, is that we weren't raised to do that. Well, that's something that we'll have to learn to do ourselves then, isn't it? We can't go on hating, disliking, or disregarding one another because we've grown weak stomachs and small hearts. Maybe everything is right, as long as its not hurting anybody else. Maybe...
Everything is alright.
The only thing that is wrong is the belief in 'right and wrong' as absolutes. Morality is subjective. If we can recognize that then we can accept and value our differences... and maybe take the opportunity to become slightly less goofy apes before the universe, and all of the strange little things in it, comes to an end. If we can't help one another have a good time while we're here, at least we can let one another have a good time.
Homosexuality: Enjoy!