Isn't that the same argument regarding ripping music CDs? If I pay for the musicians, manufacturing and distribution costs to put a CD in stores, etc.
Although, I think you're framing it wrong, you're not obligated to give the content, someone is just choosing to consume it in a way you hadn't intended.
Although, I think you're framing it wrong, you're not obligated to give the content, someone is just choosing to consume it in a way you hadn't intended.