If I were to ask you who you work for, you would point to someone. Them. That’s who I work for. This is the correct answer, even if you’re self-employed.
You never work for just yourself. You are always working for other people.
Who decides to become a phenomenal painter only to hide all their masterwork? That’s selfish. What, you’re going to become the greatest painter in the world, and nobody will be allowed to see?
Likewise, we eat not only to keep ourselves alive, but to give others the benefit of us being alive.
People make babies because babies are people. People are who we work for.