>>5961174HERfags who won't let it go boosted her to the top of the chain, so it made her proxy famous in comparison to the rest of the stable making her the go-to choice for the average viewer to digest, and without the debuff of needing subs, made it easier to consume her content.
It's really like supporting a sports team, you do fuckall to actually directly help the team, but you want to belong to it so you become a fan of it for a reason you can justify (local, popular, like the color/mascot). Bandwagon kicks in, and the barrel keeps rolling. As long as Gura does anything they can share with their friends, that count keeps ticking up.