I believe they are referring to the Challenger lunar launch that exploded. What they believe it came down to was a tolerance issue in the O-Rings they were using which if I remember right was a concern already placed by the engineers.
They patched new HWID requests being sent, but any existing licenses made with those methods are fine. That was only one of several ways to spoof yourself legitimate, though. The rest still work.
Some loans do have cost penalties for that, though