> Highly optimized and well defined solutions are by definition inflexible. Because they are the result of removing everthing which is not relevant for the task

> Highly optimized and well defined solutions are by definition inflexible. Because they are the result of removing everthing which is not relevant for the task. Only if you don't consider flexibility part of the task, which is rather short-sighted in today's world. Maybe postal services could afford to be inflexible once, but those days are long past.