I believe they mean "limited in a good way", as in it doesn't have a bunch of unnecessary syntax that increases the number of characters entered, but does not a

I believe they mean "limited in a good way", as in it doesn't have a bunch of unnecessary syntax that increases the number of characters entered, but does not add value to the language. No pun intended, by "value" I mean "things that are worthwhile". Clojure is totally into "values". :-D