Opinion | White Supremacists Are a Problem for America, and the World

There is hope, however, that better automatic monitoring of content and enforcement of platforms’ terms of service, which take freedom of expression concerns into account, can push extremist material to the fringes. The massacre in Buffalo, for instance, was livestreamed on the platform Twitch. About two minutes after the first shots were fired, the stream was taken offline. As social media experts told The Times, that was “the best that could reasonably be expected.”