Code quality affects the mental state of a programmer, communication within their team, and the incentives attached to their work. Improve your code and you can improve your organizational health and competence as a whole.
Stretch work assignments are tasks or projects that are a bit beyond an engineer’s current skill or knowledge level and that allow them to improve and learn new things. When done correctly these assignments serve a dual purpose of providing learning opportunities for your engineers, while at the same time completing a project or task that will help your company.
It's now been more than 50 years since the first IFIP Conference on Software Engineering, and in that time there have been many different software engineering methodologies, processes, and models proposed to help software developers achieve that predictable and cost-effective process. But 50 years later, we still seem to see the same kinds of problems we always have: late delivery, unsatisfactory results, and complete project failures.