I think the audience is the problem. Java devs prefer Java and Haskell devs prefer Haskell. Aside from some rare open minded individuals and people who have to

I think the audience is the problem. Java devs prefer Java and Haskell devs prefer Haskell. Aside from some rare open minded individuals and people who have to write java, but would prefer to work with Haskell, Scala is up against a tough crowd.