alt Hacker News1. Fair, but at the same time - OTP is the only sane concurrency framework. To the point I still struggle to comprehend why it wasn't copied. 2. Fair. 3. I am not aware of a single language doing OTP abstractions, especially implementing preemptive scheduler for green threads. 4. Possibly, but I haven't seen a single instance of a company choosing between the two.
I think marketing is a way better explanation to be honest. Jose lives in Poland, was very active and a lot of Ruby shops moved to Elixir.
There have been multiple attempts in various languages to implement Erlang-like processes and claims of parity, Erlang processes remain unbeaten at what they do.