Copyright law has a court. Platform enforcement has an algorithm. The Campbell case exposes which one matters first — and the answer is not the court. YouTube's Content ID system matches audio and visual fingerprints against a database of registered claims; it does not evaluate the origin, authenticity, or human authorship of those claims before acting. The artist whose work was cloned, copyrighted, and submitted to that database is indistinguishable from any other challenged creator until she proves otherwise. The process of proving otherwise — assembling timestamps, original files, platform…