As the rest of the comment says: "Mike Shinoda mentioned that rights for Linkin Park music are held by a small number of people (possibly just the band?) and he

As the rest of the comment says: "Mike Shinoda mentioned that rights for Linkin Park music are held by a small number of people (possibly just the band?) and he offered Twitch that he could provide explicit consent from those people if they could exempt his channel from DMCA enforcement of LP music" Just because a creator can sell the rights does not automatically mean that every creator has. Let's assume good faith on the part of someone as proud of their work (and deservedly so) as Mike Shinoda.