That is fair, though not a negative for many. Clojure prefers immutable data structures and functional constructs. Rich Hickey even wishes that he added fewer

That is fair, though not a negative for many. Clojure prefers immutable data structures and functional constructs. Rich Hickey even wishes that he added fewer OOP constructs in the language (such as structs) and leaned more heavily on Clojure rooted functional concepts like 'transducers' which came later in the life of the language.