The problem is, apparently, that law was flawed. Blame the politicians, not the judge.

Some years ago, I had this dating service calling me over and over.Finally, one of the women got personal and asked if I was seeing anyone. I said "Yes I am." she said, "Is it serious"? I said "It will be if her husband finds out."
She said "Oh dear...oh my.." never called again.

I realize that some people could lose their jobs, but their lack of marketable skills is not a good excuse for invading my privacy.
My answering machine has the following message;

"Hello, if I owe you money, press one. If you are selling something, press two. If you are collecting money for the republican party, hang up now to avoid being severely taunted. However, if this is a call you think I really want to receive, call my cell phone number 207.....(I seldom have it on.)
Most of the people I care about know that I'm probably lurking and they wait for the message to end. The rest can bugger off.
I get very few bothersome calls. I think the word gets around.