There are two dimensions to "safe": -how often does it fail, -what are the consequences of a failure. When you plot those two and set what is the "acceptable

There are two dimensions to "safe": -how often does it fail, -what are the consequences of a failure. When you plot those two and set what is the "acceptable" area, it is skewed. And it is perfectly normal. https://www.wolterskluwer.com/en/solutions/enablon/bowtie/expert-insights/barrier-based-risk-management-knowledge-base/risk-matrices https://www.wolterskluwer.com/en/solutions/enablon/bowtie/ex...