Part of the benefit is that Chinese taggers would have Chinese cultural knowledge, which is probably required for problems like the bakery one mentioned in the

Part of the benefit is that Chinese taggers would have Chinese cultural knowledge, which is probably required for problems like the bakery one mentioned in the article (Africans probably don't eat steamed pork buns and wouldn't be able to correctly tag them). However that would also mean the Chinese "AI" would have reduced effectiveness outside of China where different cultural knowledge is needed.