No one is arguing any of the points above. But to quote the Wikipedia article:
While many developments failed to live up to initial lofty promises, most of them eventually became occupied when given enough time.[6][16]
Citation 16 is a Bloomberg article from 2 years ago in case you're wondering.
Put yourself in my shoes, I can't exactly propose edits to that statement based on a single youtube video of a ghost town existing.
Your conclusion ("How could they? ") does not follow from your premises, much as I agree with them.