IMHO I doubt that any language that is bound to some infrastructure (i.e. jvm) and isn't actively supported by the organization behind that infrastructure will

IMHO I doubt that any language that is bound to some infrastructure (i.e. jvm) and isn't actively supported by the organization behind that infrastructure will ever become a "major" language. If there were a native clojure interpreter/compiler (or at least multiple implementations following a stable specification of the language & the core library), things would be different, I guess.