Aside from Erlang which is far too slow (most Erlang apps use C for the data plane) I'm going to call "citation needed" on that. Riak and EJabberd have a repu

Aside from Erlang which is far too slow (most Erlang apps use C for the data plane) I'm going to call "citation needed" on that. Riak and EJabberd have a reputation for scale and performance, and the only C I can see referenced is where existing libraries like Zlib get used. Edit: You are still right. The hiring issues are relevant, and apply to Erlang also.