It varies. The manufacture has an interest in delivering it undamaged, but less in storage or handling or longevity. They used to overshoot to ensure hitting

It varies. The manufacture has an interest in delivering it undamaged, but less in storage or handling or longevity. They used to overshoot to ensure hitting the goal they car about. It's probably efficient for them. They draw the system boundary after delivery. Because that doesn't necessarily make the full Life Cycle of the container and contents efficient as its actually used. It's similar to 'water saving' toilets. The manufacture sells a product with gal/flush, not gal/use. Real world use differs from nominal, and interests aren't always aligned, especially if regulatory bodies are involved. But the point is- the number is different depending on if you're the manufacturer, retailer, consumer, or recycling/ waste agency. Maximizing one parties efficiency doesn't mean an increase in net efficiency as viewed by others.