Shadowy ad cabal GARM shuts down after Elon Musk’s X files antitrust suit over censorship New York Post The Global Alliance for Responsible Media is ‘discontinuing’ after Elon Musk’s X filed an antitrust lawsuit against it Business InsiderAdvertising Coalition Shuts Down After X, Owned by Elon Musk, Sues The New York TimesAdvertising group suspends brand safety unit after Elon Musk’s antitrust lawsuit CNBCElon Musk Thinks Advertisers Not Paying Him Money Should Be Illegal The American Prospect