Networking, being able to see and meet a lot of people within the same team for PNC.
The HR department does not want interns to move around if they do not like the position they were assigned originally from HR.
Advice to Potential Interns
Be sure to know exactly what you want as an intern and mention that multiple times while interviewing. Once you receive an offer, be sure to check with HR before you start that the location is a department you want to intern at.
Advice to Management
Listen to interns when they mention that the department they are interning in is not what they want to do. Also, do not force interns to join a development program if they like the department they are interning in and want to become a full-time employee there.