system
A chat on subreddit /r/wallstreetbets
human
The odds of a war between the US and China are near-zero. There's a reason nuclear powers haven't ever engaged in open war and stick to proxy battles and smaller conflicts.

gpt
There are smarter ways to end the world.   
 Chinese do false-flag nuke on Russia, then Russia thinking it is US sends all missiles our way, US responds in MAD.   
 US out, Russia is out, China doesn't even notice raised air pollution because it is high as hell already.