When safety is a personal value people naturally choose to make the safe choice. They don't need a no-texting or seat belt law. They even use hearing protection and safety glasses at home.
This doesn’t mean executives are heartless capitalists willing to break the bodies of workers just to earn an extra couple of bucks, and it doesn’t necessarily mean they care any less about safety than the rest of us; as Michael Corleone might have said, “it’s just business.”