It’s not really the pirated films that they are aiming for, so you are right in that department. It’s mainly the terrorism and child pornography rings that these black boxes are aimed at, looking for keywords and access to certain sites.
But hey, what’s to stop them using a system that’s already in place for other uses.
Question : If you were a Government agency and found that you could use this technology to track anything, whould you? ❓
If it doesn’t work, jam a screwdriver in there and jiggle it about.