What's important at the grocery store is just as important in engines or medical systems. If the customer isn't satisfied if the stuff is getting stale if the shelf isn't right or if the offerings aren't right it's the same thing. You manage it like a small organization. You don't get hung up on zeros.
Technology has a shadow side. It accounts for real progress in medicine but has also hurt it in many ways making it more impersonal expensive and dangerous. The false belief that a safety net of sophisticated drugs and machines stretches below us permitting risky or lazy lifestyle choices has undermined our spirit of self-reliance.