For the past quarter century, the major platforms have consistently avoided compliance with the notice-and-takedown process by, for instance, erecting unnecessary roadblocks for copyright owners to submit requests. Or, as a Virginia federal court recently affirmed, COX Communications remains on the hook for a billion-dollar damage award due to its failure to comply with the DMCA condition requiring the removal of repeat infringers.
Source: Addressing Fair Use Rhetoric in Debate Over SMART Act – The Illusion of More