Reminder, HN, you all live in the real world. Chinese state sponsored cyber threat actors use orb networks that are primarily made via strung together off the shelf routers. The literal companies that build and maintain these ORB networks also resell this capability to Russian military intelligence and cyber threat actors.
No, what they're saying is what they said, what you're implying reveals a strange bias. Web scraping through residential proxies? Please think through your thoughts more. There's much more effective and efficient ways to do so. Multiple bad actors, like ransomware affiliates, have been caught using residential proxy networks. But by all means, don't let facts and cyber threat intelligence get in the way.
Delayed Auditory Feedback (DAF) is the term you need to look into. Playing back what someone says to you back at them with a 200ms delay is literally a brain Denial of Service.