What would you have done if you were widowed, divorced or your husband became disabled whilst your children were pre-school age, smurf?
You are harking back to an age when one wage could pay the mortgage and support the family. For many, that is impossible. Parents could start their family in that financial comfort then the main earner become redundant, with both parents then having to take mediocre salaries to make ends meet.
Don't send our womenfolk back to the 1950s, we need women in professional roles and in every walk of life.