Needs to be more sassy with sharp tongue insults and treat the viewers like human garbage. Also getting a better PC so isn't stuck doing 770p would help. Her Caregiver run was pretty enjoyable. Also, in comparison to superchats, she's really not that far behind the first gen. I'll even add Hana Macchia as a comparison to the highest superchat earner.
Anya= $22,721
Hana Macchia [Nijisanji ID]= $26,428
Airani= $34,287
Ayunda= $36,508
Reine= $39,473
Moona= $42,162
Kureiji= $91,224
Now that could change since I've seen a lot of ID also use streamlabs donations which I don't think there is a way to see that data at least with a quick search I could find unlike youtube and twitch stat sites.