When I was first knocked down in 1999 on a roundabout an RAC guy who witnessed it said to the driver "He was lit up like a f****g Christmas tree and you still f****g hit him!" So there is a school of thought that suggests more lights and much brighter lights gives motons a better target to aim at. My experiences would support this. It would seem cycling ninja chavs dressed in black on a BSO with no lights and headphones in their ears that suddenly jump off pavements across your path causing you to swerve NEVER get knocked down.