It works both ways i.e. "consent" is being "manufactured" to rabble-rouse people against H-1Bs.

Jacques Ellul wrote about it in far more depth and detail in the 50s - https://news.ycombinator.com/item?id=45159470

“The individual who burns with desire for action but does not know what to do is a common type in our society. He wants to act for the sake of justice, peace, progress, but does not know how. If propaganda can show him this ‘how’ then it has won the game; action will surely follow.”