Elon Musk's Twitter policies help extremists, an expert told Insider. Far-right users are now using Twitter to "mobilize harassment" against other accounts. Musk undid many safety policies that took years to implement at Twitter. Sign up for our newsletter to get the inside scoop on what traders are talking about — delivered daily to your inbox. Loading Something is loading. Thanks for signing up! Access your favorite topics in a personalized feed while you're on the go. download the app Email address By clicking ‘Sign up’, you agree to receive marketing emails from Insider as well as other partner offers...