There were multiple causes. The article makes this clear, but the title to the HN post implies there was only one main cause. The UI should be fixed. There sh

There were multiple causes. The article makes this clear, but the title to the HN post implies there was only one main cause. The UI should be fixed. There should be a process for helmsmen to report problem UIs. And of course training. But you can't really train for situations that you don't fully understand, and the people designing the UI are really the ones who need to put the hard work into understanding all these possibilities.