The publication is mainly about Lisps, and is written by Michael Fogus, a core contributor to Clojure/Clojurescript, and author of a couple books on Clojure. I

The publication is mainly about Lisps, and is written by Michael Fogus, a core contributor to Clojure/Clojurescript, and author of a couple books on Clojure. I think that his intended readership is expected to be more familiar with Clojure than with Ruby.