To be fair, a lot of US employers talk to their employees this way over email. In person they're slightly less abusive but still on that side of the line. Part

To be fair, a lot of US employers talk to their employees this way over email. In person they're slightly less abusive but still on that side of the line. Part of the reason for the massive amounts of quitting and very low productivity going on. If he's doing it to reduce headcount, the people who stay will be mindfully less productive than the people who leave. He's backsliding and in the near future he'll blame everyone else but himself.