My phone beeped. It was 10pm in the middle of a busy week in book publishing — London Book Fair 2025. My colleagues were alerting me to a tweet by Andy Stone, a spokesman at Meta (formerly Facebook). It was short and to the point: “This ruling affirms that Sarah Wynn-Williams’s false and defamatory book should never have been published.” The book in question was Careless People, a gripping and explosive account of Sarah’s time working at Facebook as director of global public policy from 2011 to 2017. The “ruling” to which Stone referred was made by a US arbitrator…