>> I began to explore the history of Agile. What I discovered was a long-running wrestling match between what managers want software development to be and what

>> I began to explore the history of Agile. What I discovered was a long-running wrestling match between what managers want software development to be and what it really is For "managers", substitute "customers". It's the people paying that want to know the cost up front as much as possible and when things will be ready. The managers are just trying to hold everyone to that (as much as is possible).