That's the thing, there are different types of uses. And in my case, I only message family and close friends. I doubt my mom will send my 'good morning', 'good

That's the thing, there are different types of uses. And in my case, I only message family and close friends. I doubt my mom will send my 'good morning', 'good night' and 'love you' to the HK police. If you are communicating with people you don't know/trust, then yeah, you want expiring messages that are not exportable