Originally Posted by kane

Sorry, you are wrong. Just because your use of a song in a porn video doesn't damage someone economically doesn't mean you can just use it. Plus, there is no way to know exact damages. If I used a Jonas Brothers song in a porn movie, it may not hurt their sales that day, but it could hurt their reputation and cost them endorsements or other things down the road.

Copyright isn't all about protecting lost sales, it is also about protecting the right of the holder to control the use and distribution of it.