Two things I haven’t seen mentioned at a first glance:
- headlight covers fogging up/getting cloudy or even yellowing from sun exposure; these will scatter the light so more of what should go onto the street will be visible by oncoming vehicles
- 3rd party aftermarket LED replacement bulbs; usually illegal and completely mismatching what the mirrors in the headlights were made for, but that doesn’t keep people from buying and using them
Even professional drivers of StreetView cars have documented kills under their belt: