>>3837269light novel adaptations
name ONE good one, if you don't believe me.
also, jojo becoming mainstream. Cool as shit manga, stylish anime, but now every trash weaboo is like "XD IS THAT JOJO REFRENS" "JOJO CRACK PART 666 DAVID PRODUCTIONSNS SACRIFICES YOUR SOUL TO SATAN" "HAHA ORA HAHA"
Vocaloid played a big part too. I don't really like it at all, except for maybe kagerou project or whatever it's called, but it's where you'll find a large chunk of the anime boom.