That can mean higher prices for customers. Wall packs and other poorly planned lighting causes problems. Any light that shines in your face and causes those brown spots produces glare. These lights need to be changed to better use light or just be removed. Ask merchants and landlords for better lighting.
Most people think that more light is good.
Light can be used by vandals, and this can thwart catching criminal activity because you are blinded by glare. There is a small consulting company called Outdoor Lighting Associates that is made up of several people with day jobs and no spare time. They try to have the business break even. They even want to expand some day. Call them, and see what a difference it can make.