The Overengineered Train System in Japan

I thought living in Japan, I would have no problems with the train at all. But even just figuring out the ticketing system to get from one city to another, sometimes you need to buy two separate tickets. It's not explained at all why we have to do this in English thing. Even coming in, even coming in with like the QR codes on your customs form, it's like there's two different QR codes for different things that are everywhere elseWould be just one form that you submit. And it's not a big fucking deal. It's like the trains work you get everywhere and they're on time. All of that is immaculate. The way the train system here