How is it helpful to the entire team for everyone to pay attention if adding a feature is 3 or 12 points? It's the one thing that wastes so much money and time

How is it helpful to the entire team for everyone to pay attention if adding a feature is 3 or 12 points? It's the one thing that wastes so much money and time. In the end it's 3 points. Thank you everyone for wasting $5,000