How many software engineers genuinely work on interesting problems? How many spend their days rolling Yet Another CRUD App(tm) gilded with the latest fad? How

How many software engineers genuinely work on interesting problems? How many spend their days rolling Yet Another CRUD App(tm) gilded with the latest fad? How many "solve" the same problem, over and over and over, with only a small twist--different platforms, different languages, different architectures, different industries, etc.?