Competition between Amazon’s third-party merchants is notoriously fierce. The online retail giant often finds itself playing the role of referee, banning what it considers unfair business practices (such as offering free products in exchange for perfect reviews, or targeting competitors with so-called “review bombing”). Last month, in the latest round of this push and pull, the online retail giant blew the whistle on several merchants who Amazon claims crossed a red line and may now have to face litigation in federal court.
