ZeroMQ might not bring the complete power of Erlang to other programming languages but what it brings is, at least in my opinion, the most powerful and interesting part!
Erlang facilitates reliable, highly concurrent systems using interprocess communication, zeromq just enables the interprocess communication part.
Message passing is just part of the language and it's definitely not the most interesting one. It becomes really powerful when you combine all the interesting things together (pattern matching, message passing, lightweight processes, supervisors, gen_*, ...).
Really, though, to me that's not the greatest part of Erlang. The great part of Erlang is more that the VM supports lightweight threading, so you can create a vast number of threads and program by message passing, and bugs can be met with micro-reboots by supervisors.