James is only the T-1000 of Jeopardy. There will be more T-1000s of many things from “before”.
“He is simply a more advanced player, a perfect one, seemingly sent from the future to dominate the show, and his personality as a TV character is frustratingly difficult to know, even by the standards of the breezily quick thirty-minute game show. More than most contestants, he is there to complete a mission. (His shout-outs to family and friends, written on each Final Jeopardy card, are the only real glimpses we get of the Holzhauer who existed before he took the “Jeopardy!” stage.)”