I don't think subjective design quality matters all that much to the average person. I've seen customers go through multiple design revisions for a street
sign quote from us only for them to turn around and get something cheaper and far more crappy looking.
The thing that helps us out over the long haul is our shop is more professional than our rivals in factors other than graphic design. We're more dependable at hitting deadlines and not dropping the ball. Very often we'll have customers try out the other guys, get a bad experience from it and then rely on us in the future.
I think art is being de-valued everywhere. I'm not all that young anymore either. If I decided to quit doing
sign work I'd probably do something entirely different for a living.