We have a right to preserve our beautiful commonwealth and our way of life. When we allow others to degrade our surroundings we also degrade our sense of who we are, where we came from, and the values we hold in common.
The appearance of a place has a profound influence on behavior toward that place: ugliness breeds contempt; beauty promotes respect. Enjoy that scenic view because it - and our way of life - could be gone tomorrow. And once it's gone, it's lost forever.
Alternatives exist.
Logo signs provide essential traveler information in a less obtrusive form than billboards, and at a much lower cost to businesses.