It's because they brazenly violated their own caste-less doctrine.
Who all are these followers of Ram Rahim swamping highways and streets of Haryana and Punjab?
Who all are these men, women and children ready to confront the State in case their leader, accused of serious criminal charges, is convicted on Friday?
How could someone who has made a spectacle of himself in his own films and someone who shows up in psychedelic outfits command such a support base?
Well, most of his disciples are Dalits.
http://www.dailyo.in/lite/politics/sikhs-gurmeet-ram-rahim-dera-sacha-sauda/story/1/19157.html