I think it was Erik Meijer (or was it the actor systems guy?) or so, who said in one of his videos about FP or programming languages, that as soon as you have a

I think it was Erik Meijer (or was it the actor systems guy?) or so, who said in one of his videos about FP or programming languages, that as soon as you have another process, that process acts like a store for state, which can be mutated etc.. So it seems natural, that in a language like Erlang some mutable things are outsourced into separate processes. Whether knowingly or not.