The phrase “useful idiot,” is sometimes attributed to the Communist dictator Vladimir Ilyich Lenin. Regardless of who actually said it "useful idiot" describes sympathizers who become “useful” because they advance a particular ideology, and they are  “idiots” because they contribute to their own downfall

Ponder that against these quotes first attributed to Steve Bannon by the Daily Beast on 21 August 2016. Now to some this is "fake news"; however, these quotes have now been attributed to Mr. Bannon on several occasions without rebuttal or denial by Bannon:   " “I’m a Leninist,"   Also: "Lenin,wanted to destroy the state, and that’s my goal too. I want to bring everything crashing down and destroy all of today’s establishment.”