Oh, interesting that it affects humans. Maybe she can collect a team of 'rejects' to help her out; I know this just started but cool if this got an animated adaptation if not a voice acted chapter like Slime Saint
Oof, hopefully (unless new girl has an appraisal /skill check thing) she can phrase it in away that's not "I can only summon 'unneeded' things" versus "i have no control over what comes to me" (tho depending on her range , assuming it's limited to the battlefield/forest by now, you'd think she'd hear them arguing versus coming across the group soon