It also is a good demonstration at someones personal pride and self respect. If some one putts no effort into their personal appearance its a good bet they will bring the same effort to the job.
Personal Pride and self respect ?
when we interview someone, it is our policy to graciously walk the candidate to their car. Always illuminating to see the condition of the back seat. Old beater car - is okay; but a car full of trash in the back - not so much