Seriously, for the vast majority of people, the number of legitimately urgent calls from strangers is going to be vanishingly small. Why even bother answering?

Seriously, for the vast majority of people, the number of legitimately urgent calls from strangers is going to be vanishingly small. Why even bother answering? Credit card fraud is not urgent unless maybe you know your card has been deactivated. They can leave a quick message if your relative is in the hospital or whatever.