Chances are they still have a lot of the money scammed, just not those particular 15B.
In a way it's like with an overfunded startup: when at some point in time the music stops because even the last would-be investor realized that the business will never be profitable, the company collapses. But all those paychecks received for playing with Other People's Money don't magically return.
In a way it's like with an overfunded startup: when at some point in time the music stops because even the last would-be investor realized that the business will never be profitable, the company collapses. But all those paychecks received for playing with Other People's Money don't magically return.