In Guangdong Province, on China’s southern coast, a woman posted a photo of a boxed-up Japanese-brand air-conditioner that she planned to return in protest. In southwest China, the owner of a Japanese pub posted a video of himself ripping down anime posters and smashing bottles, saying he planned to reopen the business as a Chinese bistro. In many social media posts like these, the phrase “nuclear-contaminated wastewater” has appeared — the same wording used by the Chinese government and state media to refer to Japan’s release into the ocean of…