Earlier quoted context omitted.
This reads like a Ponzi scheme, if you consider the tenants as investors.
In a country with the third highest population density in the world and a solid advanced economy? (discounting city-states and low-population states) There are worse places to make that bet.
Or let's put it this way: a rational bet is something like, this thing is worth $50 now, it will be worth at least $100 later. An irrational bet is one like "this thing will be worth more over and over again!" If everyone things like that, then the thing's price will keep rising until the bubble bursts.