It's something the average person doesn't need to think about, until some tragedy grabs people's attention. Then hopefully it will be fixed and become a problem

It's something the average person doesn't need to think about, until some tragedy grabs people's attention. Then hopefully it will be fixed and become a problem of the past, once again something we don't need to think about. It reminds me of this video about the unseen safety features in modern road barriers: https://www.youtube.com/watch?v=w6CKltZfToY https://www.youtube.com/watch?v=w6CKltZfToY