The resignation of Les Moonves, CBS\u2019 chairman and chief executive, took many of us by surprise. In the weeks since sexual misconduct allegations against him first broke, we had begun to think Les Moonves wouldn\u2019t go. And that\u2014our pessimistic assumption that big men still get to do as they like\u2014is worth interrogating. Why wouldn\u2019t Moonves go? The accusations against him were credible and well-sourced.