Mike Brady's Risk Reduction Experiment

You can find the answer here ... https://www.metv.com/stories/the-brady-bunch-kids-almost-died-while-filming-this-scene
Did you find this example useful as a way to make risk-taking more "intelligent"?
Do you have an example from your industry where a simple experiment like Robert Reid's resulting in a dramatic reduction of risk at very low cost? Please write your experiences here: