Earlier quoted context omitted.
That is one of the key reasons not to use the chat-like apps. Hard to search, hard to back up, hard to thread...
This. Every time you send a message in one of those apps, it's like taking a $20 bill and lighting it on fire. I'll admit they have their uses, and hopefully they'll get better over time. But given their current state, if you don't place any value on what you're saying then why even say it in the first place?
You can't search or even store voice conversations (unless you explicitly record them, so by your logic, why would you talk to people at all?