Facebook CEO Mark Zuckerberg on Thursday outlined to employees a new set of principles to guide debates and conversations within Workplace, the company’s internal social network.The new principles follow a set of similar changes at Google, which is increasing the moderation of its internal message boards. Zuckerberg stated that the changes were meant to address “a lot of very tense conversations happening out in the world,”.
See "Facebook issues new rules on internal employee communication", Salvador Rodriguez , CNBC News, September 17, 2020