The real bummer is that Cognitect drives Clojure, and Cognitect's business is Clojure consulting. Now, if you look at some presentations about how Cognitect consults companies, you'll see that the advice often boils down to "don't use persistent data structures, use Java's", "don't use STM, use Java ConcurrentHashMap".
They stay in business by selling the cure to the poisonous snake oil they sell.
They stay in business by selling the cure to the poisonous snake oil they sell.