I would really like to try Elixir or Erlang, but the learning curve seems steep and I haven't heard much in the way of specifics to justify why it would be a go

I would really like to try Elixir or Erlang, but the learning curve seems steep and I haven't heard much in the way of specifics to justify why it would be a good time investment (just "supervisor trees are the shit!" and "functional languages are great!"). I'm particularly wary of dynamic languages; I program in Python and JavaScript all day, but I use Go and TypeScript in my spare time and find myself both more productive and more confident that my code works as intended. I'm aware that Elixir has some sort of optional typing, but the vibe I get is that few really use it and it's not very practical. I would be really interested to hear someone speak to these concerns.