I think his summary of the general issue is pretty good, and is true in a lot of different areas too.Pope replies to various critics - wishing he had sent the letter to one of the other hundreds of bands who ask the same thing - http://www.huffingtonpost.co.uk/pat-pope/garbage-final-word_b_7015976.html
1. People think this is a one off request for special dispensation from one particular group of artists just trying to make one specific project happen. It isn't. I receive hundreds of these requests a year, as does every other photographer I know. This is the new normal - writing down a budget in which you'll get the photographic content for free by making the photographer give it to you. How will you make them give it to you? By quietly abusing the power relationship.
2. The Power Relationship. Garbage stated in their response on Facebook that they "humbly requested" the use of my work for an "artistic collaboration". To be clear, Garbage didn't contact me at all. Garbage paid someone at their management company to send me a pro-forma request for free usage of my work. When you receive a request like that, the power relationship is that a gigantic branded entity with huge reach and backing is asking a lone freelancer to accept that the value of their work is zero. Your two choices are to give them the permission, valuing your work at zero, or to refuse permission, in which case they will quietly remove you from the list of freelancers they work with so you won't get any future work. This has happened to me time and again when refusing or granting permission. If Garbage don't understand that this is the nature of these requests then they need to spend less time reading Amanda Palmer and slightly more time investigating how power and control work.