Putting an Erlang-like language on the JVM would really lose all the advantages of Erlang, wouldn't it. The syntax, while very useful, isn't the real strength of the language. It's the BEAM.
I don't think introducing the BEAM is the hard part, I think it's all about the language barrier.
Using the language for data transformations and such is a breeze but learning the concurrency primitives, message passing, OTP tooling and behaviors is where the real work is in my opinion, when building distributed systems on top of BEAM.
I've been able to introduce the BEAM in a large company (where I work) but the barrier has been they don't know it, they know very well the JVM and they don't care about the language if it can produce a runnable jar.
I would really use the JVM more if I could program it in Elixir.