Are they romanticizing this?  What children need is both parents taking equal responsibility for meeting their needs.

The "virgin birthery" the Catholic Church (and the Abrahamic religions in general through the unwisdom of Solomon) promotes, the sentimentalization of motherhood, is not in children's interests.

I'd rather see a law that considers every child to have the right to both parents taking equal responsibility, with a requirement that a parent take parenting classes, do counseling, on his/her own dime, to meet the standard of care.