Every performer who ever performed in rock and roll or even close to it is lying if they tell you that they weren't influenced in some way or another by Elvis Presley. He turned the world around.
The effort invested in 'getting it right' should be commensurate with the importance of the decision.
They become the keepers of the mystery. They place themselves between the communicants of the religion, and the immediate experience. And then they dictate the terms on which you can have contact with this wonderful mystery. We don't dictate those terms.