https://arstechnica.com/tech-policy/2020/05/facebook-settles-moderator-suit-for-52m-as-hate-speech-on-site-increases/

Many jobs can cause employee burnout, but the effect of having to deal with the absolute worst cruelty humanity has to offer for 40 hours a week can go well beyond burnout and leave employees with serious mental health traumas. Facebook has now settled with a group of content moderators who sued the tech behemoth, alleging their jobs left them with severe post-traumatic stress disorder the company did nothing to mitigate or prevent.