Inside Facebook, Jan. 6 violence fueled anger, regret over missed warning signs

As violence engulfed the Capitol, the policy team based in Washington as well as data scientists in the company’s integrity division began preparing for unprecedented measures against Trump, including what would become an initial 24-hour ban of the president. The Washington policy office, whose leadership ranks were dominated by Republicans, had, since Trump announced his candidacy in 2015, played a key role in adapting company rules for the Trump era — creating exceptions, for example, that allowed hate speech from a political leader so long as it was deemed “newsworthy.”