Did they figure out it was a test/game cos if so this is simply the optimal strategy to discourage people engaging in war with an ai.

• https://removepaywalls.com/3/https://www.newscientist.com/article/2516885-ais-cant-stop-recommending-nuclear-strikes-in-war-game-simulations/
• https://ghostarchive.org/archive/SC1ys