Well, since youtube-dl was the news, they have cited a German decision on the takedown request, which solely references German law. I don't know German enough to find this specific law, but I do know that by default copyright associations have a presumption to copyrights over certain media (like GEMA's case in music, which is used on YouTube around 2010, and Google was found guilty of that and therefore Google pays royalties to GEMA).
