I do this to some extent. Usually if they get me on the line, I have them wait, then come back after a few minutes, then have them wait, pretend I can't hear th

I do this to some extent. Usually if they get me on the line, I have them wait, then come back after a few minutes, then have them wait, pretend I can't hear them well, pretend I don't understand their questions, etc. It's a bit of a burden, but kind of fun. But really my reasoning is that if they weren't on the phone with me, someone who won't fall for their scam, they would be on the phone with someone more likely to fall for their scam, so better me waste some of my time and have a little fun than the next person losing a bunch of money to a scam.