Yes, but you picked an example which is extremely easy to understand, on multiple levels. The Basic DSL is trivial. The Scala implementation is short and simple (don't trust me, take a look, assuming you're passingly familiar with Scala!).
Is your argument against DSLs in general? You don't need to write them at all if you don't want to. In fact, most Scala devs don't write DSLs.
So is your argument "the Java devs I worked with were afraid of languages with unfamiliar syntaxes"? Um. It's hard to argue with that. I don't know what to say, other than "some of the Java devs I currently work with embrace and love Scala, and others don't". Maybe change jobs and go work with more open-minded people?
Is your argument against DSLs in general? You don't need to write them at all if you don't want to. In fact, most Scala devs don't write DSLs.
So is your argument "the Java devs I worked with were afraid of languages with unfamiliar syntaxes"? Um. It's hard to argue with that. I don't know what to say, other than "some of the Java devs I currently work with embrace and love Scala, and others don't". Maybe change jobs and go work with more open-minded people?