They are finally reacting to something we've been saying for a long time. This is not the first time Youtube has been busted for this. They should also look into Facebook and Twitter, because the same thing is going on there.
Disney, Nestle pull YouTube ads in uproar over child videos
They're concerned YouTube comments are fostering a child porn ring.
https://www.engadget.com/2019/02/20/disney-nestle-pull-youtube-ads-over-child-videos/