The DMCA does grant the target of a DMCA notice to sue the person who gives the notice for knowing material misrepresentation, including access to damages. But indeed it's been enforced very rarely and at very inadequate damage levels after subtracting legal fees. The main example of this provision being enforced is OPG v. Diebold: https://en.wikipedia.org/wiki/Online_Policy_Group_v._Diebold....