Key people should be responsible for look. Identity needs to be maintained. Centralized does not remove the curve of education, because staff can enroll in classes to further education. Taxpayers are benefited by centralized based on training costs and salaries. In academia, distributed web development is better.
Centralized development is censorship.
More diversity of ideas. Is representative of institutional differences. There needs to be freedom of expression in the classroom. Distribution among many departments. Diversity of ideas always of value from staff.