This twitter user [0] asked a few friends to replicate the process and none of them were banned. People are theorizing that an international WeChat account that

This twitter user [0] asked a few friends to replicate the process and none of them were banned. People are theorizing that an international WeChat account that hasn't logged in for a while and then immediately changes the password after logging in trips automatic fraud checks as it's quite common for criminals to hijack international accounts (which have looser authentication methods than Chinese accounts). [0] https://twitter.com/tianyuf/status/1268788887511617536 https://twitter.com/tianyuf/status/1268788887511617536