Here's the video from them that's gotten over 100,000 views so far:
They have some video production skills and put time and effort into making this. It's definitely eye catching.
The real issue, though, is what will actually happen in reality? Are gangs going to roam the streets pulling down surveillance cameras? In the US, at least, I think this is unlikely to ever become common.
There are certainly specific cases where a criminal will break surveillance cameras nearby them. However, an anarchistic driven general compain against cameras seems remote.