Why you might ask?
Because they're fucking stupid and ugly. Their country is as irrelevant as poland, as useless as france and as much of a net drain on US defense spending as israel. Also, kimchi smells like a rotting possum corpse trapped in a can of nigger farts that are left out on a hot muggy august afternoon. Nothing more needs to be said.
Japan is millions of times better.
Yes, this is political.