[mechanical_fish]

No more so than for any other job.

(Do you think soldiers, chefs, car salespeople, and senators talk especially differently, when they're not in the limelight?)

If anything, this little statement has entirely too few four-letter words to be a really believeable engineer rant.

Of course, if you want to see someone as immature it always helps to rip a single statement entirely out of its conversational context. I frankly have no idea whether Torvalds is being sensible or stupid, brilliant or childish here. It depends on who is asking what.