There are lots of demands for making things concurrent, fault-tolerant and distributed nowadays, not only in big companies but also among startups. Erlang already has those features as well as standard tools (OTP) which lets everyone to create something simply.

However among all the languages which run on top of Erlang virtual machine (BEAM) like LFE, Elixir, Efene, Luerl, Erlog, and such the Elixir has an active and bigger community, more interesting frameworks and wider adoption. So it could be claimed that it helped to introduce Erlang values to a wider range of developers.