Sure they do, they do it all the time, 24/7. The networks, Mexico, politicians, academia, communist, socialist, those who want to destroy the U.S., you name it. You just just happen to agree with the wrong side.
Trump event; North Augusta, South Carolina 2/16/16
The protester is carrying the message from the politicians, lobbyist, donors, influence peddlers, the well connected and those with motives of bad intent.