The A.I absolutely hates new humans. He also hates everything about magic, believing that technology is far superior. It isn't really his goal, but if the MC ordered him to do so, he wouldn't really care. he's kind of merciless, and he also doesn't really see New Humans as "Humans".
Later in the story, the A.I also tells the MC that;
If he simply ordered it, the A.I would wipe the world clean so that the MC could rebuild it and shape it in his own image.
Yep, pretty much Leon is the only reason Luxon isn`t burning every new human right now. I only read this spoiler in /a/ but in the original game Luxon betrayed Livia and destroyed the new humans, Livia actually had a dream about that bad ending.
They clearly want us to think that the other girl trying to be the protagonist of the game is his sister, maybe she's not.
although she's manipulative like his sister