This question, about whether Erlang is viable on embedded systems, seems like a valuable type of question for professional programmers to ask. Knowing the pitfalls of particular technologies for particular use-cases in advance can help developers plan their approach and make a more educated decision, potentially leading to better outcomes (e.g. shorter development time, a higher probability of success, a better final product, etc).
Moreover, it's not easily google-able, as indicated in the question itself. For less popular languages like Erlang, there's simply not much there to find; more popular languages/technologies like C++, there's likely to be more noise than signal.
And the question itself (at least in its final form after several edits) is pretty clear and specific about what the actual use-case is and what concerns there are about using Erlang.
But it's clearly not a good fit for StackOverflow, since it's necessarily somewhat opinion-based and isn't quite a "programming problem," so it's been closed.
Would it fit here? Are there other SE sites where it might fit?
EDIT: The new Software Recommendations site is one other possibility.