Nuclear weapons are still an issue.
“Do we view Hitler’s apocalyptic attitude as a singular historical anomaly? I’d like to believe that, but I can’t. Mao Zedong let tens of millions of his people die in a famine of his own making, and basically shrugged. Pol Pot nearly depopulated his whole country. Suicide bombers take their own lives simply to strike one more spiteful blow at a hated enemy.”
https://noahpinion.substack.com/p/we-still-havent-solved-the-nuclear