There has been an interesting development in the way that Google handles DMCA anti-circumvention notices sent by the RIAA. These have been used dozens of times by the music industry group to have YouTube-ripping platforms removed from Google search. Since the controversy over youtube-dl, however, Google appears to be rejecting similar complaints.
Source: YouTube-DL Fallout: Google Rejects RIAA MP3 Ripper Takedown Notices * TorrentFreak