Is this a new evolution of patent trolling? Except you don't even need a patent anymore...?
Copyright trolling?
Of course it already exists /sigh.
Seems like this is a great way to do copyright trolling - it's highly scalable and exists within a walled garden which means it's a legal grey area for things like this, much like how free speech on YouTube/Reddit isn't really a thing.
There's lots of information here: https://talent.adrev.net/about
There's lots of them. The most notorious one I had to deal with was Adrev. There are reports of people getting notices from AdRev for videos that don't even have any music in them. [1]
[1] https://productforums.google.com/forum/#!topic/youtube/42xLe...