The Covid-19 pandemic changed the nature of work in innumerable ways, some of which may not be fully discerned for years. But one casualty is already clear: The era of the leaning-in “girl boss” is over.The Covid-19 pandemic changed the nature of work in innumerable ways, some of which may not be fully discerned for years. But one casualty is already clear: The era of the leaning-in “girl boss” is over.