We wouldn't need seatbelts if people would just stop crashing their cars. We wouldn't need warnings on coffee cups if people would just stop holding hot coffee

We wouldn't need seatbelts if people would just stop crashing their cars. We wouldn't need warnings on coffee cups if people would just stop holding hot coffee in their lap. And on and on. People make mistakes. People are lazy. People do unanticipated things that designers didn't consider. We shouldn't allow toddlers to die because people aren't perfect.