In books by disgruntled former employees, it can be hard to hear real complaints over the sound of ax-grinding. Take ex-Apprentice star Omarosa's book from the first Trump administration, which unintentionally revealed its author to be defensive, shallow and complicit with the nightmare around her.
That isn't the case with Careless People: A Cautionary Tale of Power, Greed and Lost Idealism by Sarah Wynn-Williams, former and first head of global policy at Facebook. Disgruntled she may be...