Not long ago cars were death traps. Then Ralph Nader, a trial lawyer, wrote a best seller called, “Unsafe at Any Speed: The Designed-In Dangers of the American Automobile“, published in 1965. The book detailed the resistance of the auto industry to investing in safety features, such as seat belts.
Then great trial lawyers brought a slew of products liability lawsuits against the auto manufacturers. The automobile industry responded by designing safer cars, featuring seat belts and then airbags, to avoid shelling out millions to mangled auto crash victims.
But the auto industry kept getting sued because lawyers kept arguing the vehicles could be made still safer, which spurred a leap-frogging of safer and safer designs. As a result, we now have side air bags, crash-resistant chassis, seat belt alarms, anti-lock brakes, etc.