Fair, but a lot of activity seems spam-bot driven. Looks malicious. If all clients eventually get blocked in China, but Chinese spam-bot activity continues, that's something worrying. In any case, relay operators may be able to efficiently block such spam
Discussion
In that case. Pick a social circle. Clone the conversation content of all users in the social circle. And then use the imitation domain name to do NIP-05 authentication. Then you can form a fake social network and use it for fraud, right?