Quite so. The author writes as though living alone is always a choice. For many, it's not.
More important than the lack of opportunity to be annoyed by others is the real danger of living alone. You don't have to be old and fragile to become suddenly sick, or fall down the stairs, or to become the victim of crime. People who live alone do die sooner than married people, who will at least have someone around to call an ambulance.
All that you listed happens to those living with others as well.