Math books outrage China with 'ugly, sexually suggestive, pro-American' images
https://edition.cnn.com/2022/05/30/china/china-textbook-illustration-controversy-intl-hnk-mic/index.html
I don't know why people in China are furious at such trivial things. Few children notice such characteristics on textbooks. Even if they notice the images, it will unlikely to deteriorate their growth.
I guess frustration caused by zero-Covid policy is circulating on the internet so as to let people angry with small issues.