But it wasn't a pig. It was a reliable system, and then it increasingly became an unreliable one, in a way that is not explainable by the mere increase in demand. Whatever rearchitecture was performed, it was done and is apparently being perpetuated by software engineers who should be held accountable. Not necessarily guilty, or even directly at fault, but accountable nevertheless. "I am just an employee of a bad company" is not a valid excuse for an engineer.