See, Apple? Even cars can do it :)
Without knowing any examples of the vehicles that are for sale everywhere except, roughly, half the world, I can’t really say much them. What I can say is that compared to the monstrous subsidies the oil and gas industry recieve, it does seem like those tariffs could be done away with. At least on the face of it, perhaps the issue is more intricate than that but I’m sure you grasp my meaning.
for the united states, it’s actually pretty simple; it’s about stopping chinese control of the auto industry and protecting ford, gm & chrysler from having to innovate. here’s a short video with a high level overview of it.