I would probably agree that most software shops in the world are not halfway decent. The benefits of tracking down and squelching such warnings would have very

I would probably agree that most software shops in the world are not halfway decent. The benefits of tracking down and squelching such warnings would have very likely caused this bug to never exist. The point is that you make "compiles without warnings" a policy, and you build a habit of maintaining that policy -- after a while it begins to take almost no effort at all.