Already are. I have one that keeps calling and I keep blocking THAT number, but the scum just keeps changing the number. They use my area code the first 3 on my number but keep changing the last 4. like I will think they are close. Its getting crazy in phone land............
http://thesoundingline.com/clink/fcc-nearly-half-of-phone-calls-you-get-in-2019-will-be-robocalls/

Realist - Everybody in America is soft, and hates conflict. The cure for this, both in politics and social life, is the same -- hardihood. Give them raw truth.