" . . . Though ABC made the term 'pink slime' famous, the network didn’t actually coin it. The term originated with a USDA microbiologist, David Zirnstein, who used it in a 2002 email to agency staff. According to a 2009 report from The New York Times’s Michael Moss—part of a series of articles on food safety in the ground beef industry that would ultimately earn him a Pulitzer Prize—Zirnstein was troubled by the production method. 'I do not consider the stuff to be ground beef, and I consider allowing it in ground beef to be a form of fraudulent labeling,' he wrote in the email, according to Moss’s report. . . "
But now USDA allows it to be labeled as "ground beef".