My take is that it would be actually a net negative if they got people up top to disavow Kirsche, also because they have people like SmugAlana with a legit cup and more merch than Kirsche afaik (
https://gamersupps.gg/collections/smugalana). You can easily pivot to attacking her too since they talk about very similar subjects that prog types hate. Gamersupps should also be aware that the mob will not be happy even if they drop Kirsche, they will forever have the fact that they platformed a meanie alt right vtuber as a cudgel whenever they fuck up next.
Valens already decided to step back after signalboosting Heavenly's statement as a cudgel, putting him in the spot because he is a big friend of Russian Badger. Arguably the largest promoter of gamersupps, which could've evolved into a huge shitshow if this entire debacle lead to driving a wedge between that partnership