Except there is a saying in aviation, "All the flight regulations and rules are written in blood."
Meaning that, over the past century, there was actually a ton of "testing in prod" in aviation. The industry learned many, many valuable lessons only after the billions and billions of hours of flight time exposed issues that weren't caught in preflight testing.
Meaning that, over the past century, there was actually a ton of "testing in prod" in aviation. The industry learned many, many valuable lessons only after the billions and billions of hours of flight time exposed issues that weren't caught in preflight testing.