What I do is mute all calls not on my contacts and never set up voice mail.
Maybe allowing the next person with his strength and without his weaknesses to succeed where he failed.
Avid reader here, and I sometimes browse books on pirate bay. When I find one I like I download the ebook and if I read it I also buy a print edition. Not everyone does that, of course, but in my case piracy generates sales.
What I do is mute all calls not on my contacts and never set up voice mail.