Offenses rely on their point guards to make things happen. Does Lebron James run the point? Why is Rajon Rondo so important? Lebron would be a waisted defender guarding Goran Dragic, or Tyler Herro on the perimeter. So defensively take that point guard and use him to slow down the momentum of the run game also to guard that perimeter player. But why is the point guard position so important. Why is the Point Guard Position so Important The point guards primary job is to facilitate scoring opportunities. Having your hands on the ball and giving it to the player with the hot hand, mismatch defenders, or penetrating and drawing other defenders.