So he's well known for purposefully being an ass hat yet people still boycott stores he bitches about? Annoyingly that checks out.
I am stupid, why she looks sad on page 11?
You guys have probably noticed this manga is pure fluff. Bad things happen only momentarily so they can be heartwarmingly resolved with some handwaves.
Yes, in another manga mister douchebag streamer would have been ground into the dirt, crying, but Tsumiki is pure heartwarming fluff so even a social media streamer can be redeemed - I know, totally implausible, like if Logan Paul were suddenly not a complete sociopathic a@#$&* who discovered a conscience, but it could actually happen in Tsumiki's better world!
So on page 11, she's sad because she's always been relying only on herself because she can do everything (per her dad on p5) but she suddenly realizes she can't actually do everything alone because fed up customers are leaving the Kinami Beach House. And then she learns The Magic of Friendship (TM) because Tsumiki and Yutaka help make everyone happy and make the streamer a decent person.
Yeah, most of this is totally facile, but I just want some fuzzy fluff and this series delivers.