there are probably the points of availability (dealerships and the likes), support ("you can always find a spare for a local made car, but you may have to wait

there are probably the points of availability (dealerships and the likes), support ("you can always find a spare for a local made car, but you may have to wait a month to source one from Korea"), and market distortion due to trade tariffs that make buying American cars in the US more rational than abroad. I don't know if those are real issues, but I heard them mentioned.