They don’t need many elements to be manually tuned. Now cars are smarter, and have computers to adjust things on the fly.
Things like the ignition points needed to be adjusted, and that was just the start of it. Think of it like an old watch that needs to be wound every now and again. Older cars needed constant engine tune-ups because they, quite literally, needed components tuned. Here’s the deal: Cars have gotten better and smarter through the years. Engine tune-ups aren’t what they used to be, so if you have memories of constantly going to the auto shop with your parents for an engine tune-up when you were a kid, you’re not making things up (or you are, but that’s a different issue).
