The DMCA gives you a get-out if you've committed a copyright infringement unknowingly via user-generated content. By serving that content you have already viola

The DMCA gives you a get-out if you've committed a copyright infringement unknowingly via user-generated content. By serving that content you have already violated copyright under international law. But if you've been following the DMCA, then the US will (indeed they must) let you off.