Five studios, "The Big Five", worked to achieve vertical integration through the late 1940s, owning vast real estate on which to construct elaborate sets.
Their minions then needed a new plan in order to complete their much-cherished goals for Earth, and these changes slightly altered the original intent of our first contact mission.
Too often, the list is seen as the accomplishment for the day, reducing the immediate guilt of not working on the tasks at hand by investing energy in the list.
Cutting out multitasking (or "multi-slacking" as I call it) leaves you to focus more intently on one task and finish it to completion, rather than having many tasks started and nothing finished.