Couldn't another chanting mob have the same effect?

Dutch researchers have come up with a way to silence chanting mobs - they play back the chants with a 1 second delay. It makes continuing (or joining in on) the chant very difficult.

Heh. I should try that at the next meeting I attend.....

Speaker: We need to adopt these new processes.....
Me (after a one second delay): We need to adopt these new processes.....