Well, if we're talking medium-size companies - hard to bring any new language. If we're talking pure modern-tech company - good luck bringing anything other th

Well, if we're talking medium-size companies - hard to bring any new language. If we're talking pure modern-tech company - good luck bringing anything other than JS because "more developers == more growth" mentality. So it's either end up being used where decision makers know/want-to-learn Erlang/Elixir or when all other possiblity was exhausted.