Earlier quoted context omitted.
It's not a deliberate policy. There's precious little else to put your money in so the Chinese end up using property as a savings account. Developers will often skimp on construction quality as a result, since they know that nobody will actually be living in them.
You seem to have read the western propaganda that has misrepresented the situation: https://en.wikipedia.org/wiki/Under-occupied_developments_in...
In what way is it a misrepresentation?
Thats just a link to a page on ghost cities.