Elixir dev: It does not solve all issues. But sometimes you have some kind of rare bug that just happens once X,Z and Y happens in a specific order. If it is restarted it might not happen that way again. Or it might be a temporary problem. You are reaching for an API and it temporarily has issues. It might not have it anymore in 50 ms.

But of course if it crashes because you are reading a file that does not exist it doesnt solve the issue (but it avoids crashing the whole system).