Can you trust incoming numbers? No they can be spoofed. Can you trust the sound of voice? Nope, AI. Can you trust companies to enforce anti robocall and other privacy legislation? Hell no.
US mail isn't much better. The fact that seniors have been scammed by us mail for five decades or more with no improvement to regulation or protection is an embarrassment.
Email of course is a lost cause.
the fact that the entire federal government is run by deeply fucking stupid people who are not at all interested in the security of the state is the problem here, for once the AI vendors are not the problem.
even more when you consider highly classified information is sharing the phone with many of those third party apps
It doesn't need AI, but it can and does work with AI.