The USA and Detroit had unions and the industry and city became gutted. Tariff and import laws to stay afloat only go so far. There will be times industry will be gutted because there’s something better.
Hollywood seems poised to lose itself - whether AI, moral grandstanding, or strange rules with skin color quotas. The writers strike is going poorly, the general American populace has no sympathy for them, and the big money maker of super hero movies is losing steam.