The first sign of trouble was an externally visible one, a symptom that any suitably experienced startup practitioner could have detected: nobody from the early days of the company was still around other than Murthy. Every other single cofounder or early employee had left. As Vonnegut wrote in Bluebeard, never trust the survivor of a massacre until you know what he did to survive. And indeed in this case, Murthy wasn’t a mere survivor, but rather an author of said massacre.