> His epiphany came when his current partner told him how she had lost her grandmother. Unlike Koremura’s loss, her grandmother had died alone—a kodokushi. It was seeing the deep regret in her, and accepting his own ennui, that made Koremura finally take action. He left his job as a stockbroker and set up his own removal company dedicated to the cleanup of kodokushi victims. He wanted to give something back to the ge…
Japan is incredibly stubborn and ignorant when it comes to addressing core social and psychological problems in their society. It isn't even recognized by most of the population so when people begin to complain of their own social issues or depression, people around them will slowly distance themselves from that person. As a result, most people will choose to hide their issues until it is unbearable. At the point they feel they cannot continue is when they do something drastic which includes suicide.
If you bring the problem to light, people will just shy away from the debate (Japanese avoid arguments at all costs) and act ignorant. So to anyone that understands Japanese culture, Koremura's response is understandable. At least in the position he is in, he can do something.