A cave is also a shelter. You gotta distinguish between some investment money buying properties in thousands, and an individual buying a house to maybe sell it for care at a later stage. If I buy a house and renovate everything, bring the standard up, why should I not be allowed to recoup the money.

Never been to Japan, they seem like smart people but they do have some issues, especially with elderly care. Maybe if they could sell their property they wouldn’t suffer loneliness so much.