Even Chinese SA's have access to VPN's, proxies, etc. It's not like they would tie their own hands behind their backs to spread the good word, ya know?

Russia only needed a small number of inroads to influence the 2016 US election, and now? Pff, they hardly need to do anything, we're completely self-sufficient in propagandizing ourselves. It's entirely possible China's already created their own army of Overseas Useful Idiots.