The contexts are all different. A VP told me that he had a bunch of mediocre programs and it would be hard from them to use it, and hard to hire new programmers. A friend of mine who tries new languages all the time simply doesn't like it cause it's a lisp. A Director at a different company didn't say clearly, but it seemed to boil down to it being a lisp. H was fine with us trying Scala or even golang, but no clojure.