It's a benefit for the children, not the parents. Because everybody gets to be a child exactly once, everybody benefits equally. That includes you. You can be

It's a benefit for the children, not the parents. Because everybody gets to be a child exactly once, everybody benefits equally. That includes you. You can be gay or a Catholic priest, and you benefit. Ignoring the fact that you had no choice and that benefits may have been different back when you were born, it isn't fair for you to take these benefits as a child and then deny them to the next generation.