Sounds like the difference between the language vs the ecosystem.
Compare and contrast how happy are users of Java the language vs JVM the ecosystem (Clojure, Scala, Kotlin, etc).
Compare and contrast how happy are users of Java the language vs JVM the ecosystem (Clojure, Scala, Kotlin, etc).
I'm happy when I'm productive and ship stuff. I'm unhappy when I have to struggle with obscure/undocumented libraries/tools.