JA was real. But his efforts were to promote the making of apple moonshine. He traveled and collect shine “taxes” for helping people get apple orchards going. “Whiskey” was the rural currency along with other farming products.
Yes. Moonshine/Hard Cider. In the absence of pure water, this was important for health. Also vinegar from apples as an important preservative before refrigeration.
He helped settlers have safe food to eat and drink. Johnny Appleseed was not really aiming at tasty pies. He performed a very valuable service. And he was a preacher.