Given the problems we've seen, in this country and others, over sexuality-related issues, it is hardly surprising that anyone with the slightest interest in gay rights is determined to defend them. Saying that homosexuality is a sort of disability does rather sound like an insult.
You, Seabiscuit, clearly misunderstand the real meaning of '-phobe'. Yes, etymologically (phobos), it means 'fear', but its scientific definition also covers hatred.
What do you mean, homosexuality isn't natural? Define 'natural'. Humans are animals too.
As fivebyfive (well said mate!) pointed out, looking at our current overpopulation issues, homosexuality seems like a perfectly reasonable, indeed natural, solution. Especially since we can now have 'bush babies'...