"Your own posting which you present as facts wasnt exactly quality or balanced either Waldo.
Take a) Being homosexual does not prevent you from having children
Oh yes it does. How could two men have a baby or how could two women have a baby? Naturally they couldnt."
Two people of the same gender can’t (currently) have a child together, correct. That isn’t what I said though, is it?
"The fact that homosexuals can "arrange" a birth in the case of two women and some sperm, or adopt in the case of two men is a different matter. They are allowed to, although some would wish otherwise."
Is it possible for a homosexual person to pass on their genes to a child? Yes. End of argumment, and you agree with me. My statement is correct, Keyplus's was wrong.
"Does a child in a family unit of just men need a mother? or a child in a family unit of just women need a father?"
Does a child in a family unit require a mother that doesn't take heroin while daddy blows his wages gambling? Yes. Does this have any bearing on the biological capacity of these heterosexual people to have child..? No. Your issue over fitness applies to any parent regardless of orientation, and is unrelated to biological capacity to reproduce.
Keyplus was asserting a belief that at a given % of homosexuality by population there would be a major crisis on the basis that homosexuals can’t reproduce. But they can, so even if we were to accept his silly scenario of the world turning gay, there's no reason why children wouldn't continue to be born.