It's generic corporate sociopathic ass-covering. Facebook, when it was new and turning the tech industry upside down, made a name for itself by treating candid

It's generic corporate sociopathic ass-covering. Facebook, when it was new and turning the tech industry upside down, made a name for itself by treating candidates with more respect than the companies they fled did,and generally improving upon the culture of their former employers. One of their innovations was to give a bit of concrete feedback on what the negative aspects of the evaluation were.