The US is already influencing US mass psychology, but I guess people are more ok with being manipulated by people who were born in the same border as them, than by people who were born outside that border.
They do have a camp, considered illegal by most of the world, yet still in operation, with middle eastern people, plenty of them innocent, that even has a MC Donald's on the island. Which is literally the most American thing imagineable to put a Mac Donald's on their illegal prison island...