This strategy seems so, so off for such an incredible institution. The overly-aggressive typography is at odds with the mission of the LOC:

The mission of Library Services is to develop qualitatively the Library's universal collections, which document the history and further the creativity of the American people and which record and contribute to the advancement of civilization and knowledge throughout the world, and to acquire, organize, provide access to, maintain, secure, and preserve these collections.

Also, it screams Pentagram. When an identity communicates the designer more so than the institution being designed for, it's time for a change.