You’re talking when moms stayed home.A lot of forces eroded that, don’t blame feminism exclusively when Hugh Heffner came along with porn. It was nice to have incomes and expectations ( a Buick, not a Mercedes) that one provider could manage.
The Jaffe Memo was quite clear that pushing women into the work force was a way to reduce fertility.
Dangling the possibility of freedom and money was a quick way to get them to forgo child bearing.
The entire 1970s was devoted to that goal.