You guys are clueless. Collectively we can't even find airplanes that went down in the oceans for sometimes years after a crash. Yet you believe the technology is so great to be able to accurately control a plane and track it over its entire route.
We are still making position reports via HF radio which sounds horrendous, relay requests to climb or change speed, are not tracked on radar during the majority of the flight and up until recently thanks to GPS could be miles off the actual route of flight due to accuracy tolerances.
Airlines are buying BRAND NEW airplanes that still are based on 1960's technology save for some pretty displays that save money over round gauges. These same airplanes (737) don't even have EICAS/ECAM and use dummy lights the pilots have to have a good working knowledge and actually see what's lit up.
So keep going on and on about your pilotless airplanes. We are several decades and many new aircraft models away. And if you know anything about aviation, especially new aircraft you would know they take almost a decade to go from new idea to reality.