Earlier quoted context omitted.
Unlikely, Clojure is very much its own thing, won't draw those that are drawn to Scala (rich type system, (G)ADTs, performance, etc.). That branch of potential adoption is minisicule anyway (even compared to Scala which relative to Java is itself tiny). So, the elephant in the room is indeed Java 8. Will Scala at long last be killed? Perhaps, but highly unlikely, Scala lives and dies on its ecosystem (Akka, Play, Spa…
Clojure is becoming increasingly popular in banks in the UK. (as I heard from trusted person)
CLOS, Smalltalk, and Objective C (before it was cool) were for a long time very popular on Wallstreet.