Some people claim they can learn from failure, can anybody explain how?

Have you ever burnt your hand or had an electric shock? Did you do the exact same thing again?

How Failure Taught Edison to Repeatedly Innovate https://www.forbes.com/sites/nathanfurr/2011/06/09/how-failu...

"I guess we learned not to do it again."

https://m.youtube.com/watch?v=J6VjPM5CeWs