Jamie Cumming have 17 children. He is jobless. He lives on government benefits. Not to mention that he recently murder someone over some trivial quarrel. The kind of humans that is successful in the gene pool.
Yet, a millionaire or even a billionaire cannot realistically have 17 children.
Not even if they want to.
For one, child support laws are set proportional to man’s wealth.
Then simply paying women for reproduction is border line illegal.
Government pretty much decides terms of such arrangements that’s way differ from market norms. This effectively causes low supply of rich men being available to women.