They actually teach this in business school. Laying off bunches of people triggers regulatory compliance which can limit hiring and other stuff. Announcing layoffs without actually doing them causes the best to leave, the expert strap-hangers to entrench, and the people in the middle to become less focused.

The accepted strategy is to cut as deeply as you need to cut to get through the downturn, then get back to business. Do it fast, do it deep, do it once.

Zuck chose to turn the workplace into a low-stakes Hunger Games.

No one needs another reason to dislike Facebook, but Zuck gave us another one.