The US Air Force Test Pilot School and the Defense Advanced Research Projects Agency (DARPA) first started testing a Lockheed Martin X-62A VISTA (Variable In-flight Simulation Test...
The biggest advantage of an unpiloted jet is that it can pull far more G forces. If your aircraft can make a 12G turn when most humans pilots start blacking out at 9, you're going to win any dogfight.
A couple years ago people were bragging about how ai will never take our jobs. FF to today. IT jobs pay less than fast food in some places thanks to ai and now pilots are going to loose their jobs too.