It's interesting that you assume it's a myth. I can personally attest to answering spam calls, politely asking to be added to the do not call list, and still re

It's interesting that you assume it's a myth. I can personally attest to answering spam calls, politely asking to be added to the do not call list, and still receiving calls from the same spammers over a period of months. Eventually I just downloaded a call blacklist app.