That's been a big part of the meta for flesh camwhores for close to a decade now, and I think I remember e.g. one of the SugarPalette girls doing it as a vtuber.
Presumably they get whatever percentage of their superchats in whatever currency they are. So good for talents living in Japan with big overseas fanbases, bad for talents living elsewhere with big Japanese fanbases.
Can't imagine why anyone who hated her forced yuribaiting, fake voice, endless menhara/numberfag moments, and the Huke incident wouldn't still be hating her today. Seriously, she's changed quite a bit and also just put in the work and persevered, and at least some of her former haters give her credit for that.
Israeli company, please understand.
That's a vtweeter with literally 0 videos on his channel, so yeah it's Kirsche who's bringing this into vtubing. Twitter is not real life.