Even part time stay at home moms would be a tremendous chizuk for the klal. B”H most babysitters that I’ve met are pleasant and safe environments for a few hours a day. But we’re not giving our girls permission to ever even think of getting to that point.
BTW, not all sems cram kollel down the throat. And when I went to sem close to thirty years ago the emphasis was on sending husbands out to learn on whatever steady basis was our reality, and that how happy the home of someone who’s truly koveiah itim.