Messages should be the property of the sender and recipient. When we want or need it they should be on the record. The technology is almost 500 years old.

https://en.wikipedia.org/wiki/Registered_mail

In stead we have toys?

https://discussions.apple.com/thread/251702178

https://en.wikipedia.org/wiki/Caller_ID_spoofing

This is where imho regulators should step in and closely examine the corporate prison system.