This passes as humor in the US

"The controversy blew up after a segment of the show that aired on October 16. Host Jimmy Kimmel, who often uses children on his show for comedic effect on adult issues, asked a group of four children during a non-scripted segment how the United States should pay back the $1.3 trillion it owes to China, the world's second-largest economy. A 6-year-old replied, "Kill everyone in China." Kimmel replied: "That's an interesting idea." "