Business practices which killed workers were declining before there were bureaucrats to insist upon business practices which didn't kill workers.
Business practices which did kill workers declined just as fast after we had bureaucrats to stop business practices which kill workers as before. Business practices which kill workers declined just as fast before we had bureaucrats to stop practices which kill workers as afterwards.
The value of bureaucrats making rules so that business doesn't kill workers therefore seems to be zero.
A study of workplace accidents in the USA shows absolutely no change to the rate of decline in worker deaths after the creation of the Occupational Safety and Health Administration. Nothing. Nada. Zip.
Go check the graph if you don't believe me. So why are we paying for these regulatory bodies and why are we paying for their regulation?