Repeat after me, blockchain technology does not equal bitcoin. Bitcoin cannot be surveilled the way Blockchain can be used for other things like mass surveillance.

If I was chinese I'd literally go batshit insane with that social credit shit and constant surveillance, it's proven that people get mentally ill when they can have no privacy at all for extended periods of time. Remember reading quite a lot of old studies that popped back up when the summer of leaks in 2013 from Snowden.