By use of the word "stubbly", are you describing a man who hasn't shaved for the day, or do you mean actually having a trimmed beard?
If you meant that a man having not shaved *could* appear unkempt, then I would agree with you - but only to an extent.
However, if you think having a beard is unprofessional, then I couldn't disagree more. Having a beard has NOTHING to do with one's professionalism. Having an unruly appearance could cause someone to have an unbased impression of you, but it does not determine one's capability.
In Disney's case, they hire Cast Members as though they were auditioning for a show. Thus I agree that there are certain positions that probably lend themselves to being clean shaven - just as there are those that lend themselves to having facial hair.
For instance, the fellows that sing in the Barbershop quartet on Main Street. Their having a mustache lends itself to the part, does it not? Or what about the Jungle Cruise Boat Captains? Or the Country Bear Jamboree Show Coordinators? Or Splash Mountain Ride Attendants? Seems to me a rugged look better fits the "part." Actually, I think the cast members in the Adventureland/Frontierland areas of the park always looked out of place by BEING clean shaven and neat and tidy.
Now a cast member working a Fantasyland attraction, such as It's a Small World, or Winnie the Pooh etc would probably be better served being clean shaven IMO. Why? Because small children can perceive men with facial hair as being stern or intimidating. I feel those attractions should be cast with those having a gentler appearance with no seperation between their face and the child's eyes.
I speak to this due to personal experience. I happen to hold the record as the first Disney Store Cast Member in this region to ever be allowed to have a beard. Many years ago, I worked the Disney Store as a sideline kick. I left the store after two years of hard work, only to be asked to return/assist during busier holiday times. In the time since I had left the position, I had grown a full beard and was unwilling to shave clean. Because of my "professionalism" and high former cast member ranking, I was welcomed back with open arms and told I could keep the beard as long as I kept it trimmed within a certain length. I made sure it was kept tidy and trimmed as to not appear sloppy and I worked another season WITH the beard.
Bottom line... I disagree with any *possible* sentiments that someone having facial hair is "unprofessional." Heck, even Santa, Abe Lincoln, and Uncle Walt himself would agree with me.
Shaggy - (but not a shaggy beard ;-)