I don't understand your point. Many people find joy in raising children, it fulfills a purpose in their life. Not everyone does, but many do. There is a biological desire to procreate and continue the species.
> Many people find joy in raising children, it fulfills a purpose in their life. Not everyone does, but many do.
Many people find joy in other expensive hobbies, too. The difference is: Doing such a different expensive hobby won't make someone who you produced suffer because you lack the necessary financial backing.
