Indeed, these claims always lack context of what is being attempted. If you are using Erlang to perform matrix multiplications on large datasets or some kind of

Indeed, these claims always lack context of what is being attempted. If you are using Erlang to perform matrix multiplications on large datasets or some kind of CPU intensive work, you're probably barking up the wrong tree. But if you want to parallelize and distribute less CPU intensive tasks and have fault tolerance, then it's a good choice.