In defense of game project managers (a phrase I may have never said before) is that their planning is often fine, but hampered by changes to game design/directi

In defense of game project managers (a phrase I may have never said before) is that their planning is often fine, but hampered by changes to game design/direction/requirements. Unless you're churning out a copy-cat derivative game design requirements have to be reasonably loose as you find what does and doesn't 'work'. Finding the fun is not easily managed.