There seems to be a very specific reason Elon Musk was getting so angry about tariffs. Korea has been targeted by him as a dumping ground for deadly Tesla software because Korea doesn’t regulate US-made defects.
…Tesla now faces fewer regulatory hurdles than Hyundai, which must comply with Korea’s stricter rules — an uneven playing field…. Industry watchers say Tesla…can enter Korea under US safety standards and can add new Level 2 features via over-the-air updates without prior review by Korean regulators. By contrast, Hyundai and Kia must follow Korea’s stricter safety framework, which imposes more detailed requirements on electronic control units and functional-safety validation — giving them far less flexibility than Tesla to leverage lower regulatory thresholds or push Level 2 as aggressively.