With a legion of unemployed commercial pilots looking for a job, ground school scores are indeed one filter now for getting the opportunity for an interview on a first assignment. Just simple, if you get more then a thousand applications for one vacancy, you do an "unfair" reduction at the first step and that is easily done by using scores and marks.
How long is she in search mode, only 4 month? Right now I hear of and meet pilots searching for up to years, so nothing to worry about for now. Drive taxi, do instructors jobs, give going to african bush piloting a chance, look for regional airlines, search worldwide or just walk into HR offices every day.