"I show that AI’s accuracy in censorship decreases with more pre-existing censorship and repression. The drop in AI’s performance is larger during times of crisis, when people reveal their true preferences. I further show that this problem cannot be easily fixed with more data. Ironically, however, the existence of the free world can help boost AI’s ability to censor."

https://marginalrevolution.com/marginalrevolution/2023/08/will-ai-boost-autocratic-regimes.html