Small addition, these are comparing the loss of artistic details in the actual road (like the tire / driving lines and cracks and such) because of the intense normal maps or whatever is amping up the roughness of the surface too much and playing off the headlights to create all that noise.
Headlights off: https://imgur.com/knM8lEF.jpg
Headlights on: https://imgur.com/7CtPyFi.jpg
Headlights off: https://imgur.com/j7sC1Dr.jpg
Headlights on: https://imgur.com/kQE3fZG.jpg
You can actually see more detail and what the road surface is really like in the total darkness. Wild.
You are right, they must know about this and many other things.
