One false positive so far who obviously isn't even in China - that seems like something that would be really easy for Twitter to check. We don't know about the

One false positive so far who obviously isn't even in China - that seems like something that would be really easy for Twitter to check. We don't know about the number of false positives amongst people who are actually Chinese, in China, and using VPNs to access Twitter (which are the signals Twitter claimed to have been using) and we probably never never.