This matches my experience with software development. I work on business software that serves an industry for at least 10 or 20 years, and there is never any e

This matches my experience with software development. I work on business software that serves an industry for at least 10 or 20 years, and there is never any end to development. There is always value in making the industry-serving software better at serving that industry. Sometimes that means fixing bugs. Often it means tweaking the schema to better match real life.