I agree to a degree. Stream of conscious writing may open the mind, especially the minds of those who are more neurotic than average and those who are too concerned with what others think, but I don’t think this kind of writing is more “pure.” To me, stream of consciousness writing is “raw” not necessarily pure. Pure often requires refinement. Drafting and re-drafting writing reminds me of taking ore melting it and skimming away the slag, time and time again, until I arrive at what’s pure. I believe this because my mind has produced ideas, in and outside of writing, that seemed pure and true at first, but after examination, flawed and biased thinking made itself more apparent.