Yes, the firm's bottom line remains the same. But the difference between losing a sale to a competitor and losing a sale to piracy has vastly different consequences. When losing a sale to a competitor, there is competition and money continues to flow into "Product Market X", fueling competition and innovation. When a potential purchaser in "Product Market X" gets the best firm's product for free, it hurts competition and innovation by decreasing the sale to the best company.
>Then either I'm on the same philosophical road as you but further back, or my philosophical support is stronger than yours was.
Only time will tell. I totally agree information should be shared and spread for the good of humanity, but there needs to be some returns for people that seek it (to a reasonable amount of money... Adobe can get bent).