You mean even the part where people get stuffed into already packed trains? [1]
I get it. Japanese trains are some of the best anywhere but lets not make them into some downside-free experience, not including the amount of walking thats involved trying to get into and out of the maze of levels at some of the stations, dodging salarymen and other straphangers.[2]
[1] https://www.youtube.com/watch?v=jSuU3GOKWAY
[2] https://www.youtube.com/watch?v=hCqBlwJy4M8