It doesn't work that way in the real world.
Neither am I, but when I see people encouraging others to exhibit childish, ineffective and completely wrong behaviour, I will call it for the utter BS it is.
If that had any semblance of truth, marketing call centres would already be extinct.
You're not the first person to think that annoying one caller (of many) for 20 minutes (and encouraging others to do the same) is the silver bullet that will surely put a stop to it.
And you won't be the last.
Has it occurred to you that some call centre operators might flag you as someone who wasted their time and call you more frequently?
Seriously, just say you're not interested, and hang up.
As awful a job as it is, those people are doing a job -- probably one they'd prefer not to be doing.