"...in the absence of Right to Be Forgotten legislation, the DMCA can sometimes be used to the same end. Should Blippi be able to hide his poop video, which is gross, but not problematic or hateful?" https://motherboard.vice.com/en_us/article/7xn4a4/how-kids-youtube-star-blippi-used-copyright-law-to-hide-his-harlem-shake-poop-video …
As far as DMCA and Section 512: I have studied it in great detail, so happens. The language was written by telecom, then picked up by tech companies. Actual purpose: Ability to massively profit from other people's work, with a smile. Purpose sold to the people: Free expression.