over 100,000 requests that haven't been heard yet (see link)...as for the other student loan situations, it depends on what this country values...many other countries pay for all costs of qualified medical students, while here, even our own well-established family physicians are still paying down their loans.
Again, loan forgiveness is intended to be a societal benefit...if you want more docs, engineers, teachers, military professionals, etc....put your tax money into those desires.
Link: https://districtcapitalmanagement.com/public-service-loan-forgiveness/