You are missing that we have to also have a cultural norm of valuing having children. That has sort of disappeared recently (for whatever reasons.). So you nee

You are missing that we have to also have a cultural norm of valuing having children. That has sort of disappeared recently (for whatever reasons.). So you need affordability in general (home + childcare, etc), compared to your income, and you need to have values that prioritize children over just traveling the world or playing video games.