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In a sense. Think of it more as that the people who criticize her are so used to saying things that differ from what they actually mean, that when they hear her say certain things, they think she's insinuating something that she isn't. They read subtext where there is none.
Kiara isn't some kind of mastermind, she's dumb and straightforward. People ask her what she thinks, so she tells them what she thinks. If you ask her how she's feeling and she's feeling like shit she isn't going to paper it over, she's just going to say she feels like shit, then people claim she's concernbaiting. Or in the case of the Nier ending, she felt it was hopeless and unfair and said so (and it was, obviously, it's made to induce those feelings), then people are offended (even though for the ending to be impactful you had to have felt those feelings). And of course, there's the most prominent complaint - talking about numbers. In her brain she's just worried if she's doing something wrong aside from the obvious factors outside her control. To her detractors she's greedy for viewership and will contort herself to do things she's bad at for numbers - then they get confused when she continues streaming JRPGs anyway.
But a lot of it stems more from fitting her actions to preconceived notions, the bluntness just makes it much easier to kick off the post-rationalization. The flowchart leads to the same thing no matter what.
Promote genmate song -> She's doing it to ride on their hype train
Don't promote genmate song -> She only cares about herself
Don't collab with council -> She sees them as a threat sucking away her audience
Collab with council -> She's trying to leech off them
After you've made up your mind to dislike somebody, it's easy to always find another angle. If something that happened to her resulted in a good result for her, pretend that was her intention all along. If it was a bad result, make up the secret motivation anyway but she failed due to incompetence in carrying it out.