devil is the details, as in that 3 percent failure rate is not 3 percent good or evil but 97 percent evil.... Why do I say that? Law of unintended consequences

devil is the details, as in that 3 percent failure rate is not 3 percent good or evil but 97 percent evil.... Why do I say that? Law of unintended consequences of dependent systems....that 3 percent inaccuracy in declassify docs has a 97 percent large failure impact in a secret is let out that does 97 percent damage....