I think it was Noam Chomsky, who I don't often like, but he did say something really important in 'The Manufacturing of Consent' And I am going to butcher his quote massively, but he basically said >The best way to control discourse is to allow it only at the middle of the field, have people argue about it venomously. Let them argue about a bunch a retard decisive and never touch the issues towards the outside of the spectrum