It was very clearly advertised as experimental and insecure:
Warning
Private message and channel features have not received external security review and may contain vulnerabilities. Do not use for sensitive use cases, and do not rely on its security until it has been reviewed
As the TechCrunch article I shared says, that warning was added only after the multiple vulnerabilities listed were found and publicised, and the original article in this post didn’t mention the vulnerabilities or it being experimental either.
It was very clearly advertised as experimental and insecure:
As the TechCrunch article I shared says, that warning was added only after the multiple vulnerabilities listed were found and publicised, and the original article in this post didn’t mention the vulnerabilities or it being experimental either.