There are a lot of people who left white-collar jobs for trucking; engineers especially. Something about wanting to be more or less your own boss, control your

There are a lot of people who left white-collar jobs for trucking; engineers especially. Something about wanting to be more or less your own boss, control your own schedule, and not be in an office is appealing. So your stereotype for "trucker" has to be resilient to the occasional former nuclear physicist or mathematician showing up.