Higher value needs to be placed on "feel" and the ineffable heuristics that human brains automatically build up as they operate a system. This is one of the re

Higher value needs to be placed on "feel" and the ineffable heuristics that human brains automatically build up as they operate a system. This is one of the reasons I strongly dislike the idea of remote or telepresence inspections of factories. You need to just walk the factory floor and use all of your senses (including smell). If you do this enough, you'll know when something is wrong. The pitch of the machines, the vibrations, the hum ... and you'll catch it before your rules do. A personal example: rsync.net has almost zero fraud detection for payments and signups. However, I, personally, have been watching the real-time order flow[1] for decades and I just know. A fraudulent signup just sticks out like a flashing red light. I could not teach this to you and I could not codify my heuristics. I have spent decades thinking about how to augment - or replace - these real-time human observations with warnings and alerts and thresholds and I am deeply skeptical of their value relative to human interaction with the functioning system. [1] ... with tail ...