So it sounds as if YouTube content creators are now in the unenviable position where they need to actively moderate the comments section for videos featuring children, and if they don't do so to YouTube's satisfaction, they could have their entire channel nuked.
Is that a problem? If a run a large forum and have moderators running subforum, they either moderate comments in their subforum to my satisfaction or I "nuke" their subforum. Given that the channels can just turn comments also, I can't see a terrible burden here.