Learned on the job. Previous professional background PHP, JS. Beginner to what I think to be competent ("full stack", a range between infra and clustered prod deployments to page layouts in Phoenix LiveView) in about four months.
I've been able to find high quality Elixir packages without trouble. I haven't had to fall back to Erlang packages for any holes but I feel confident because I could.
Yeah, I don't get it. The delivery of the talk is a little.. pointed.
But the perspective offered is incredibly compelling. And my work experiences -- both positive and negative -- are sympatico with so much said here.