Imagine if @TeamYouTube split in two, with cat videos, gadget unboxing and people falling over on one side, and creators talking about real issues on the other. Which demographic of viewers do you think advertizers would want to spend most money on? 
Are we just going to ignore the deep philosophical theme of a cat riding a Roomba warning us of the dangers of emerging artificial consciousness and how our over-dependence on them can bring about an intellectual Great Depression, leaving us vulnerable to languish in robot zoos?