Here's what the MPAA is really after:

Now the MPAA ... wrote, "... the ability of copyright holders to nuke from orbit is crucial in preventing piracy. 'It's the only way to be sure.'"

The possibilities of this CPU and generator are... Fascinating. For instance, users players (see, lines are already blurring) can exchange programs, so you can expect a lively scene of people exchanging programs. There's a nefarious side to this as well - Notch will not stop anyone from making viruses, so even computer security becomes an element of play. A virus could, for instance, disable a ship's weaponry or shields.