A completely flipped perspective:

> "Why the f*ck are you asking, you should know this"

Because you mentioned NZ: my father, a toolmaker, said there was a huge difference between Europe and NZ. In Germany/Netherlands, he'd be working under a more senior toolmaker. When he took a job in NZ and asked the boss something, as would have been the proper thing to do in Europe, he got a response just like that: because he was the expert, and his NZ boss was just a manager.