You really couldn't see the guy working when you were coming out until you were under him. The bucket truck itself may not have really meant anything to someone who didn't understand what the outriggers, planted, mean. It would be easy to just assume he was parked there waiting for his buddy to get back with the 12 pack.
In real life most people are not really that aware of what is going on around them. They are too busy talking on the phone.
