>>53255190People care much more about how women look than men. A streamer like Asmongold can just throw on the same T-shirt he's worn for 5 days in a row and brush his greasy unkempt hair out of his eyes and get tens of thousands of viewers. A vtuber model lets women look good and get right into making content without spending hours picking out outfits, styling their hair, and carefully doing their make-up only to still end up appearing less attractive than an idealized anime girl.