Here in the USA, we call them “astroturfers” and we implement them well in public and private ways:
The Secret Side of David Axelrod
By Howard Wolinsky March 14, 2008
The Astroturf Presidency
By Michelle Malkin
January 25, 2010
http://michellemalkin.com/2010/01/25/the-astroturf-presidency/
Ted Cruz calls out Obama campaign astroturf at Defund Obamacare event
CHARLIE SPIERING, AUGUST 21, 2013
So, what’s the lifespan of a lib astroturfer on FR nowadays?