We all want to be good neighbors when camping so it would be courteous to keep this in mind when using lights. No one should be using the large industrial lights one might pickup at Home Depot. These are very annoying. Some of the lights that are on the exterior of RVs are blinding. If leaving these on, you may want to consider switching them out to a soft amber light. Some RVs come with bright lights on the front (usually some fifth wheels). All lights, if not needed, should be turned off at quiet time. If you have to keep your area lighted for safety or security reasons, invest in some solar spots and point them towards your RV.
For those that prefer total darkness, keep in mind many RV'ers are older and need these lights for safety and security. If you are in your 60's, 70's and 80's and scramling out of your RV in the middle of the night, you need your steps and the area around your camper well lit.
For both sides of this issue, please remember everyone has different needs and try to be courteous and understanding.