From reading your other comments in this thread I think you're just equating your experience as a hikikomori to be what it means to be a shut-in. The currently

From reading your other comments in this thread I think you're just equating your experience as a hikikomori to be what it means to be a shut-in. The currently accepted definition is however merely: * spending most of the day and nearly every day confined to home, * marked and persistent avoidance of social situations, and social relationships, * social withdrawal symptoms causing significant functional impairment, * duration of exceeding six months, * no apparent physical or mental etiology to account for the social withdrawal symptoms. Under these criteria (quoted straight from the linked Wiki article), a person working from home office with no contact can also become a social recluse, even if it's certainly a different experience then what you've experienced