>>107725386according to their official reports the percentage of female nijisanji store IDs keeps rising by about 5 percentage points per year and has already passed about 70%, so from anycolor's perspective it might be a desperate attempt to keep some sort of balance by bringing back a popular girl
from her perspective she doesn't get nearly as much attention/viewers/money despite providing the exact same content as an indie since most vtuber fans are just fans of corporations
nijisanji just had another graduation just a month or two ago because they failed to handle a stalker issue properly again, so that's clearly not it