>>23445298>stuck in 2018 techRetard and new, early vtubers were predominantly 3D, only when the iPhone X released (september 2018) did people realize it was really much more efficient to use it's 3 camera setup to track a simple 2D avatar because guess what, 3D is expensive and 2D is not as expensive, plus the audience doesn't require that much more.
Having said that, some nijisanji members like Ange Katrina use simple 3D setups that allows them to move their hands, on the other hand when Mikocchi tried having hands the tracking was wack and she dropped them.