Getting what you need, when you need it is extremely important to humanity. Middle men aren't glamorous but there's a reason they've existed since the beginnin

Getting what you need, when you need it is extremely important to humanity. Middle men aren't glamorous but there's a reason they've existed since the beginning of organized human society. They are offloading the task of planning for the future for you by predicting your needs. This allows you to think about more important problems - Like landing a robot a Mars.