Men dont have children, only women have children.
We all want to be around and within a COMMUNITY, that includes children, women, older people, friends, all brought together by a common good, friendship, morality, belonging, happiness etc.
Traditional (Nuclear) Family and Community are pretty much conflicting concepts, nothing better to break a community than the nuclear family concept.
Ideally we get rid of monogamy and paternity, raise children and hold women in common within the community. Why have 1-3 children when you can be a father type figure of all the children within the tribe.
I believe the biggest mistake of the manosphere is the belief in the moral superiority of the traditional nuclear family system. This is because known history only goes back until after the spread of the nuclear family system.