Yes, exactly. As compared to 70 years ago, when cars came with a manual on how to adjust the spark gap, and buyers were expected to do so. It turns out most pe

Yes, exactly. As compared to 70 years ago, when cars came with a manual on how to adjust the spark gap, and buyers were expected to do so. It turns out most people don't want to be under the hoods of their cars, so cars are optimized for that, and the few people who do want to do that maintenance (me included) are no longer the target market. Meanwhile, everyone else can think about other things.