There are two tracks on a railroad. An unguarded lever allows someone to switch which rail the track leads to. A fellow has told the train company to secure the

There are two tracks on a railroad. An unguarded lever allows someone to switch which rail the track leads to. A fellow has told the train company to secure the lever so that only their qualified individuals can pull it. They've ignored this fellow for years. The fellow see two trains are approaching on the separate tracks. They decide to pull the lever - temporarily placing the lives of everyone on each train at risk of a collision. Before the trains are in danger of switching tracks, they pull the lever again. A bunch of people were scared, but no real harm was done. One day, a malicious person could be the one that pulls the lever and kills hundreds of people. The company has been putting lives at risk for years - but only after receiving bad press regarding the insecure lever have they decided to invest in its security. The end.