I believe every couple has the right to enjoy the benefits for being parents. So if any couple does not have the chance to have children, and if one of the causes is sperm infertility, then am ready to help. Although "There is Nothing as Something for Nothing", Humans can always come to a compromise and achieve their goals.
Am a God fearing somebody, and easy going. I love children, and i myself have three.
I would say that, intended parents should have faith and they will get what they want, even abundant children.