I agree it's frustrating for the people who still answer their phones. I'm just saying that spam calls may not be the primary reason the phone call is becoming

I agree it's frustrating for the people who still answer their phones. I'm just saying that spam calls may not be the primary reason the phone call is becoming useless. As comparison, fax machines did get a lot of spam, and there are still people who depend on faxing. But spam is not the primary reason fax machines died out.