Elon Musk’s whole family has this strange obsession with breeding?

People have theorised that Elon’s own obsession with reproduction and fear of declining birth rates is just so the earth’s population keeps climbing and he makes more money but… looking at these quotes from his parents, I can’t help but wonder whether it’s more sinister?

Both Errol Musk and his ex wife have an obsession with breeding as well, Errol even went as far as to have a child with his stepdaughter… what’s everyone’s thoughts on this?