I think David Allen acknowledges this - his book focuses on the mechanics of how to execute and doesn't talk enough about his planning processes - how to make s

I think David Allen acknowledges this - his book focuses on the mechanics of how to execute and doesn't talk enough about his planning processes - how to make sure that what's on your task list lines is to your life / year / month goals. His book does touch on that but not in enough depth - that's not what anyone takes away. I think he gets to that in another book of his.