Amazon closes 3k Chinese-brand online stores in campaign against fake reviews

And a previous related article indicating the scale of these efforts:

https://www.globaltimes.cn/page/202108/1231485.shtml

"According to the Shenzhen Cross-border E-commerce Association at least 50,000 Chinese merchant accounts had been affected by Amazon's move since May, and that Chinese cross-border e-commerce companies had suffered losses of more than 100 billion yuan ($15.4 billion)."

And previous discussion about the percentage of top sellers on Amazon from China (40%+):

https://news.ycombinator.com/item?id=19877499