I sure hope not. Most responses seemed to disagree and even technomancy wasn't happy with the characterization of his part. If you take every criticism personally instead of looking at the whole, it's a recipe for being miserable.
Combined with Hickey's post in that thread, this whole thing strikes me as rather petulant - "throwing the toys out of the pram" as the English would say.
No it wasn't rich said something like it on the mailinglist befor that "Has Clojure development stalled?" Stuff witch was a big misunderstanding anyways.