Not to mention that Scala is explicitly OO, F# is based on Objective Caml, and Clojure owes a lot of its success to the libraries provided by a huge, thriving O

Not to mention that Scala is explicitly OO, F# is based on Objective Caml, and Clojure owes a lot of its success to the libraries provided by a huge, thriving OO community. OOP is not waning unless you define OOP as the design pathologies imposed by bad OO languages.