NUREMBERG: Seated before the tram's control panel, Benedikt Hanne, 24, deftly steered the red and white wagons, hours before heading to his Nuremberg university to study for a social work degree. As an apprentice, Hanne was watched closely by a trainer, and the tram he drove had no passengers. Bu
Perhaps they reduced barrier of entry for these jobs, allowing for working less hours, flexible schedules, less training time, etc.
Edit: seems i was right aftwr actually reading the article. They mention part-time, working arouns their classes, ans this: