Speed doesn't kill people, cars hanging from trees in Australia telling people that "speed kills", kills people

Again with the hanging car, but this time its a warning to other drivers in West Australia that "Speed Kills". But did did it ever occur to the marketing genius that distraction also kills. What is the point of slowing down only to run into another tree while trying to read the sign. Two weeks later your car is up on a tree down the street saying "Billboards Kill". Speed doesn't kill people, cars