You're probably gonna get a lot flack from people for complying but I applaud you for thinking ahead on this issue. Easy to say don't comply when you're not the one facing a lawsuit.
Discussion
I don't have any lawsuits yet, and if do things right Ill never see a DMCA notice. however I figure if I want to stress test the blossom spec and see if the image really are censorship resistant we are going to need an easy way to censor them