Glare, clutter, overkill. Such lighting also saves a great deal of energy and money for the dealership, as lighting is used rather than wasted. In addition, the neighbors do not complain, as they so often do for miles around the type of installation shown in this slide. With good lighting, we all win. This one is in Australia.
Bad lighting is universal.
This one is lit from below. It would be similar to the ones in Slides 2 and 3. It is easy to see how much energy the billboard is wasting. Top mounted lighting for billboards can do an excellent job. Look at the light trespass and the glare.