I think people say “just simply” because they’re proud of having reduced a boatload of complexity to a couple steps. It says implicitly, “If only you knew how m

I think people say “just simply” because they’re proud of having reduced a boatload of complexity to a couple steps. It says implicitly, “If only you knew how much work I’ve saved you!” Maybe there’s also an aspect of “customer service”, where the writer adopts the tone of a smiling amusement park tour guide. I can see a cheerful female intern writing docs like this. A no-nonsense Richard Stallman type, not so much.