Why is the multiple causation of incidents and accidents in the workplace theory important in safety/loss control management?

Why is the multiple causation of incidents and accidents in the workplace theory important in safety/loss control management? Why is this important to safety professionals, front line supervisors and top management? Explain and provide real life examples as evidence…

Many companies are exempted from keeping injury and illness records based on their NACIS codes or based on the number of employees working for a company in a calendar year. Do you believe this is a fair practice or do you believe all companies should be required to keep injury and illness records? If yes state why? If no state why?