My vote would still go to the McDonnell Douglas / Boeing merger. Not only was the merger itself terrible, but you could make the argument that it indirectly ki

My vote would still go to the McDonnell Douglas / Boeing merger. Not only was the merger itself terrible, but you could make the argument that it indirectly killed many people. https://qz.com/1776080/how-the-mcdonnell-douglas-boeing-merger-led-to-the-737-max-crisis https://qz.com/1776080/how-the-mcdonnell-douglas-boeing-merg...