Plans for an app for Amazon workers show the censorship of certain keywords in an aim to prevent any communication between workers emphasizing the creation of unions and other topics which would not be beneficial from the perspective of the company.
source: https://theintercept.com/2022/04/04/amazon-union-living-wage-restrooms-chat-app/
archived source: https://wellthissucks.xyz/2022/04/04/amazon-worker-chat-app-censors-certain-words-archived-source/