I think content providers having to display their business addresses is one thing. It's not nearly as likely that someone would start to stalk the photographer or broker of a model than it is to think that an amateur model who has her home address on her website might be stalked by an obsessed fanatic. Individual models who pose nude being forced to display their home addresses like that is just plain wrong.
That, by the way, is the only hurdle forcing me to buy exclusive sets instead of shooting them myself. Good news for the photographers, bad news for me. LOL