The claim that housewives staying at home spending more time around their children are better, much-more-responsible/effective mothers than their career-mom counterparts.
But time: quantity equal quality?
Research on the subject is inconclusive, sometimes lauding the children of working mothers; for being more academically motivated/ambitious,healthier because their mothers make educated food choices, at other times lauding Asian housewives for the same thing. The critique works similarly.