Quality defects and mis-communication can cost significantly, the most obvious being money, time, resources, and lost reputation.
“Zero defects” is a measure against which any system, process, action or outcome can be analyzed. Much headache can be saved when the practice that doing things right the first time becomes a normal or a culture at the outset.
Running production team is much like leading a military unit. “Mission first, people always”. No victory ever is won single handedly. It's more than organising, deputising and supervising; first-rate leaders treat glory as a communal reward to be shared and enjoyed by all.