Yes. D has a very clear use case and makes sense for it (and didn't have a lot of competition there until the rise of Rust). Clojure has a lot of (often vocal) fans but in practice the compelling case over the more popular Scala just isn't there - at least that's what I've seen in multiple-languages-but-JVM shops (biased by the fact that I'm a Scala programmer myself). You'd get a few Clojure fans who would talk the language up, but nothing in actual use.