Gargoyle, you need to buy yourself a dictionary (large book with lots of words in alphabetical order) and look up "profit."
It still seems weird that some agency could claim they have more of a right to give something away than another agency. I also didn't see anything on their web page prohibiting further distribution.
They claim to be representing their "members." These people are so far nameless. How can they possibly expect you to investigate whether you've obtained permission from these "members" when you don't know who they're talking about? (Personal opinion: at this stage, they're just trying to intimidate you.)