The only thing I can't get over is how work focused all of the letters are. Sure, they all have family struggles, but they're less concerned about the particular struggles and more concerned about how that impacts their work. This article is phrased as if the entire Japanese culture is based on a disproportionate work-life balance to the extreme.
Our hunting-gathering days are over. We used to chop down wood for the fire; now, we go to work, and push a button on the wall to stay warm.
To work is to live in modern society.