Indeed. I am definitely not an aviation expert or professional but I do have a pilot's license and some hands on familiarity with how this all works. It's not

Indeed. I am definitely not an aviation expert or professional but I do have a pilot's license and some hands on familiarity with how this all works. It's not easily automated. That's just factual. It's not impossible but it's way trickier than people who have never thought about this much are letting on. The accuracy of GPS is absolutely irrelevant for example.