Sometimes this stuff works, slightly. For instance in 2019 in South Korea: https://en.wikipedia.org/wiki/2019_boycott_of_Japanese_products_in_South_Korea https

Sometimes this stuff works, slightly. For instance in 2019 in South Korea: https://en.wikipedia.org/wiki/2019_boycott_of_Japanese_products_in_South_Korea https://en.wikipedia.org/wiki/2019_boycott_of_Japanese_produ... They got some results. A Uniqlo store closed down. Airlines reduced flights to Japan. Butt Detective the Movie did not sell very well.