Lots of "why don't they..." comments here. This is international news, which means that this kind of event is extremely rare. People are often pretty dumb, and

Lots of "why don't they..." comments here. This is international news, which means that this kind of event is extremely rare. People are often pretty dumb, and magnetic metal is common, so that means that the existing precautions are very effective. There's probably room for improvement, but there isn't some blisteringly obvious thing that's been overlooked that would save many lives.