You are saying engineers should build software, that doesn't frequently require changes to fit some new use case? Outrageous. Then we would have to do proper en

You are saying engineers should build software, that doesn't frequently require changes to fit some new use case? Outrageous. Then we would have to do proper engineering and make things flexible, anticipating potential use-cases. We would have to heed advice written in books such as PAIP (or more recently "Software Design for Flexibility"). Can we be expected to know literature of our own field?