That’s not how it works though is it? Else every parent would have a family friendly job, whatever their relationship status.
in real life generally in a relationship one parent takes on the child responsibilities, works pt, family friendly, or is a sahm while the other take on the responsibility of a career and earning.
i find it odd that women are quite happy to give up their jobs and careers, enabling their partner to work those long, family unfriendly hours. They deal with the kids, dad sees them on weekends and may on an evening, if he gets home in time.
then once they split suddenly that job they were happy with is not enough to support two home, so they need a higher paying job. In the same breath that job also needs to be family friendly so they can do 50:50 of the parenting.
after a split both parents having family friendly hours is often even less feasible, and now there are two homes to support. Even if dad can support himself on his wage, that leaves mum with no cs.
It’s ok for dad to work and barely see the kids when you’re in the relationship, but once you’re not you want the money and him to take on 50:50 care. If mum has given up her job to be supported by her ex, then she now needs to get back in the workplace, which is difficult after a break, and then that means she only sees her kids weekends as well.
kids and finances do not split easily into two.