"Read it again. He doesn't call anyone any names."
Yes he does:
"now I'll have to call you perkeleen vittupää"
And according to other comments in this thread, it is apparently quite a foul moniker.
This sort of management style has been lauded on HN ("It worked for Jobs!"), but I have to agree with foobarbazqux's comment[1]; I just don't understand why folks are so eager to not only overlook, but to praise this sort of behvior.