[cryptonector]

> Why not use a proper centralized chat with actual retention and encryption?

This is the right question to ask. It might be that such a thing doesn't quite exist in the way that the customers want (doubtful; Slack should work just fine), or more likely it might be a cultural issue (that Signal is ingrained in some of these executives' minds as _the_ secure system to use, and/or that they don't want Slack/Whatever to be the service provider for IM _and_ the service provider for retention, or that they don't want Slack/Whatever with on-prem services because they don't trust their own IT, etc.).

Obviously TeleMessage's value add is to add retention to Signal, which defeats the point of Signal. That leads me to think that the motivation is cultural.