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This tragedy will be repeated time and again on the unwary or those who accept risk to a further extent than practical. I've lost way too many friends and workmates around the world who ventured into easily avoidable situations. Tis the nature of man to assume safety exists while in the midst of those who believe just the opposite.
I would change that first sentence to, "This tragedy will be repeated time and again on the unwary, those who choose to ignore reality, or those who accept risk to a further extent than practical."
CF is full of personal safety discussions where people just ignore reality. They see the world how they want it to be instead of how it is.