In mature industries, they use the occurrences at scale to reduce the failures, or optimize cost or other factors. E.g. a certain car part fails so many times

In mature industries, they use the occurrences at scale to reduce the failures, or optimize cost or other factors. E.g. a certain car part fails so many times out of a million. Okay, change something in the design. Hey look, now it's failing 1/3rd as many times, and it's a bit cheaper. Rinse, lather, ...