They went and reported this to the law enforcement agencies, after anonymizing it, and the vulnerability here is simply the user interface wasn't good enough. If you're talking about something really secure and sensitive, it should be really clear to you that this conversation is encrypted.
他们向执法机构说明了这件事， 当然是在匿名之后， 而当中的漏洞很纯粹的只是用户界面 不够好。如果你是在讨论 一些非常保密或者敏感话题，你应该 清楚的知道这个谈话是被加密的。