[lojack]

I read it as "Elixir was a good choice, but it isn't a silver bullet." The fact that they spend most of the article talking about the gotcha's makes their statement about going with Elixir given the opportunity to repeat more favorable in my mind.

[rdtsc]

For a scalable 5M connected users system no language is a silver bullet. Some tools are just better suites for some jobs. Elixir/Erlang OTP just happen to be suited very well for these kind of jobs.