Economy

You're pretty much correct, except the investors will also likely be criminally charged if they did secure loans for these buildings, or if their losses with empty houses affect the ones they did sell; i.e. if the property management company for occupied building A has to shut down due to liability from unoccupied building b.

In China you don't really get to harm the public economically and get away with it or get rewarded for it, unlike the US where you have to harm rich people to get any consequences.