system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: If the United States can dispose of dictators like Saddam Hussein and Osama Bin Laden publicly and not through assassination. What's stopping them from doing the same to people like Kim-Jong Un?
gpt
China. They're not as close as they once were, but China and North Korea are allies. Any country allied with a nuclear power is not one you mess with unless you want to risk global nuclear war.

On top of that, North Korea has had basically their entire arsenal pointed at South Korea, one of our allies, for decades. It's suspected that the ordinance is falling apart and wouldn't reduce Seoul to ash, as was once believed, but they are still certainly capable of doing some damage at a moment's notice.