According to the group's manager, because of the shift in the central group's responsibilities, the members of the group had to change their mind-set from a staff organization to a service organization.
A new approach was necessary to facilitate the new duties of the central group.
It's that they don't study with the ferociousness and all-out commitment of people who realize (or who have parents who realize) that outstanding school performance is their one shot at big-time opportunity in America.