Heh, two things
1) Animate idols are not a modern concept, Josei and the Pussycats (to name one) did that in the seventies. The new take on it is the interactivity
2) Here is an amusing take on Hanna & Barbera productions
>What RUINED Hanna-Barbera?https://www.youtube.com/watch?v=CWgcizAgxOsMaybe forty years from now someone will make the same for Hololive, hopefully not too soon