I guess he wants the new recruits to be able to experience the "magic roundabout"
The investment banking culture is notoriously brutal. Analysts typically work until midnight every day. Deals are unpredictable, deadlines are short and clients are demanding. There is a ritual known in banking circles as the “magic roundabout” — a graduate leaves his or her desk in the early hours of the morning, takes a cab home, and the taxi driver waits outside long enough for the young recruit to shower and change shirt before returning to the office.
https://www.ft.com/content/84adb5a4-2e53-11e6-a18d-a96ab29e3...