The entries have been made every few hours. The author started to have some hopes about Clojure, then in the same day (heck! in three hours) he resigned.
Even geniuses need some time to digest information. The best way to do it is to think hard during a day, relax and let the brain work on it during sleep. You're lucky if some insight comes just another day. But it will come eventually.
I'm telling this not in the defense of Closure, but in the defense of a proper method of examining the world around.
And if you like modern Lisps, you can always check Racket. (But slowly :)