> With 5th generation fighter using datalink they to use the active radar in far away AWAC planes for targeting so the stealth fighter can get closer to the enemy without breaking cover by turning on active radar.

What benefit does a human pilot offer in this case? Are going to be using their eyes to track their location or see a Chinese fighter jet launching a standoff antiair missile at them? Drones can do AWACS and deep sensor roles, with a pilot and sensor operators far away from the planes.

> All of these concepts where written up 20 years ago by both china and the US

Defense contractors and the gov planners are often the same group of people, the same small community, there's not that many vendors. They show up at defence trade shows and see what industry is offering them. They tend to stick with the same big safe companies that change slowly. Bold ideas are infrequent. The smaller countries can take those risks easier than America.