The article is making it sound like some kind of backfire, and I'm not really sure why. It's gotta be good in the long run for US auto workers if their competitors' wages triple.
Because the US now gets no new jobs but the price for the cars will go up as the labour cost increases, proving the very trivial point that tariffs function as a tax on domestic consumers. If the goal of the policy was to redistribute money from Japanese carmakers and American consumers to Mexican factory workers they've done a great job, very altruistic. Also it's quite hilarious how quickly the reputation of the US…
Over the long term it will help drive automation which will lower the cost of cars and bring jobs to the countries with high levels of education and training.