To be honest, it could be. Dave could be one of those IT guys working at firms or something like that, always having to fix computers. In his spare time, Dave could also have hobbies that involve carrying a lot of stuff, requiring Daben to use that vehicle.
"Holding anger is a poison. It eats you from inside. We think that hating is a weapon that attacks the person who harmed us. But hatred is a curved blade. And the harms we do, we do to ourselves."-Mitch Albom