I think it might have happened - seen a similar R/T transcript many, many years ago, but don't believe that it's the norm - well, not in the UK.
Stress affects different people in different ways. I and many of my colleagues never became stressed at work but other factors could cause problems. For me it's "white-coat hypertension" - an irrational fear of doctors and hospitals. My annual medicals used to wind me up really bad and just driving past our local surgery brings on bad anxiety.
Directing 20 Jumbo's around the skies of London in bad weather? Piece of cake! Yawwnn.