A problem with this kind of thinking is that when we attempt to produce perfectly safe systems, we almost inevitably create new and unforeseen problems. For example, efforts to prevent financial instability by bailing out companies can lead to larger and more destructive crashes later on;24 efforts to protect forests by putting out small fires can allow dead wood to build up, eventually leading to catastrophic fires far worse than the sum of the smaller fires that were prevented.25 Safety rules and programs—like most efforts to change complex systems—often have unintended consequences.
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