>>12003279Vocal minority and halo effect.
I mean, get real. Twitter gets a lot of leeway despite it being well-known that only middle aged women make up 90% of tweets.
Likewise, ResetEra is a honeypot of SomethingAwful goons and transgenders, yet it had a not so insignificant effect on the video game industry.
DYRB that 4chan doesn't have cultural pull, anon? I mean, really, think about all the media you consume and ask yourself if it's entirely possible that, in addition to being /here/, your oshi actually takes what's being said on the Internet about them at face value.
You want my honest opinion? No? Fuck off, I'm gonna give it to you anyways: Every single vtuber worth their salt knows about /vt/. In Discord channels they make screencaps, discuss certain posts, and even vent about anons they keep noticing trends with.