>>802217A bunch of sad stuff happened, seemingly causing her to lose confidence in herself. As a result, despite being a well known streamer before, she wasn't exactly popular during her first year in Hololive.
She's changed a lot within the last year however, in part thanks to her fans I'd like to believe. You can tell she is genuinely enjoying streaming, is much more open than before, and quite busy in real life.
In short, no need to worry.