>>40646115That's because this "mythical unicorn" that will immediately drop out at the mere presence of boys is a strawman.
Matsuri reclined heavily from collabing WITH GIRLS, because it was APEX spam and the girls were from outside the box.
There is a HUGE segment of the audience that only cares about their favorites and the other girls in their immediate circle.
As soon as lots of "outsiders" get brought in they get turned off and start skipping those particular streams (or stream moments).