> What changed about China's surveillance systems In the last few years, I don't think anything substantial. IMO new difficulty (post zero covid) was due to ma

> What changed about China's surveillance systems In the last few years, I don't think anything substantial. IMO new difficulty (post zero covid) was due to massive human trafficking crackdown after the "chained woman" uproar in PRC. Don't forget some of these people are "rescued" by human traffickers / organized crime that sold them to sex work in first place. There's also geopolitical layer of these defections being run by Durihana, South Korean NGOs (double whammy of foreign + religious), conducting operations on mainland soil without PRC assent - there's no reason to allow these operations in the first place.