…The third 6 of 18 sections in https://how.complexsystems.fail:
13. Human expertise in complex systems is constantly changing
14. Change introduces new forms of failure
15. Views of ‘cause’ limit the effectiveness of defenses against future events
16. Safety is a characteristic of systems and not of their components
17. People continuously create safety
18. Failure free operations require experience with failure
— Richard I. Cook
MD Cognitive Technologies Labratory
University of Chicago