[pereb27]

Originally Posted by Cheesethief I do not see what sony has on him exactly... He did not reverse engineer their software to my knowledge and Linux is covered under the GPL/GNU and other licenses of the sort. Is it that presumption that linux can cause hacking of their software? If so, seriously cannot see that holding up in court.... Unless the laws in Germany are extremely different.

He reversed most of the PS3 hypervisor.
Even so, his work couldn't allow piracy, so there's still no real reason for Sony to sue him.