https://www.quora.com/What-is-the-ratio-of-passenger-to-carg....
Very similar to Cirrus Safe Return Autoland, but with additional safeguards (remote command from an approved authority) vs passenger command.
> Once activated by the touch of a button, Safe Return assumes control of the aircraft and transforms the Vision Jet into an autonomous vehicle that navigates to the nearest suitable airport for landing, communicates with air traffic control, lands and brings the aircraft safely to a complete stop, allowing passengers to exit the aircraft.
https://cirrusaircraft.com/story/faa-certifies-cirrus-vision...
In the interim, you can reduce the number of pilots to one on non-ETOPS flights as well as their required minimum flight hours.