Confusion reigns

What was it for that Uber paid $100,000 to their hackers? Erasing stolen data doesn’t make much sense as how could they rely on hackers to do it and not take copies? Or do it after they had sold on copies? Cash for the hackers to keep quiet about how easy them found it to get in to the Uber system sounds credible. Pretending it was a security test arranged by Uber doesn’t.