When Cassandra Thorburn opened up about her decision to stay at home with her children while her husband, Karl Stefanovic, pursued his glittering career, vociferous public debate ensued. Strangers took sides, with one team arguing that women should not give up their careers for fear of later regret and another team purporting that a carer’s work is undervalued and stay-at-home mothers are often stigmatized. FlexCareers co-founder, Joel McInnes, recently shared his perspective about his wife’s return to work, with sage advice for husbands. The company soon posted a raw response from a reader. Why do the subjects of returning to work, staying at home, flexible work and parental leave rankle strangers, and why does such a personal, family decision give life to such a public debate? Following are three interviews…