Most HN commenters don't even know that correctness is possible. They don't even know about correctness without testing, they tie correctness and testing toget

Most HN commenters don't even know that correctness is possible. They don't even know about correctness without testing, they tie correctness and testing together and think it's the same thing. >There are industries where it is important and where it is done routinely, but evidently not in the places most HN commenters work. Can you name these industries?