Most people define loss as the difference in assumed outcomes between scenario #1 and the illegal scenario #2 - a business has never been entitled to the full value of a person's enjoyment of a product. That's why most people scoff at the amounts cited by the record labels.
"a business has never been entitled to the full value of a person's enjoyment of a product"
..and a user has never been entitled to the full enjoyment of a business's product. But it doesn't seem to stop articles like this from being written or large amounts of users to just steal it anyway.
