They come in contact with it though, from those driving around them. Then there are other customs, like standing on the left side of escalators (except for Osak

They come in contact with it though, from those driving around them. Then there are other customs, like standing on the left side of escalators (except for Osaka, where it used to be the right side, but now it's mostly the side the line is already on). From my personal experience people in the major cities seem to prefer dodging to the left, all things being equal.