Leader for life still has to answer for the countries massive booming economy. Almost everyone drives a new car, the roads are excellent, the mass transit has some of the fastest trains on earth, though its a communist state they are so severely addicted to capitalism its unreal.
They simply cannot force Americans to buy their goods with any kind of threat, the more they even try the more it will backfire.
State capitalism is communism. Always has been, even back in 1848.