Facebook has been accused of using nondisclosure agreements to try to build a “wall of secrecy” and prevent its moderators from discussing working conditions with Leo Varadkar, the Irish tánaiste (deputy PM).
https://www.theguardian.com/technology/2021/feb/11/facebook-moderators-say-they-were-told-not-to-discuss-covid-working-conditions
https://www.theguardian.com/technology/2021/feb/11/facebook-moderators-say-they-were-told-not-to-discuss-covid-working-conditions