Very stressful and dangerous depending on the route. However with overtime many of these drivers can pull in over 100K per year. There was a scandal a while back in Milwaukee where a handful of drivers were taking so much overtime they were near the top of the highest paid county officials.
Yes, just listening to that lady was stressful enough; I quit after a minute. But he probably has great benefits and a pension to help sooth a bad day, and a union that will see to it that hes not fired.