After reading through the wiki timeline of events, I understand my company's policy (and emphasis) on "any employee can stop work at any time for a safety issue

After reading through the wiki timeline of events, I understand my company's policy (and emphasis) on "any employee can stop work at any time for a safety issue and we will back them up on it". This could have been much less tragic if the employees who had the ability to cut things off sooner felt they had the authority to act.