No, he hacked a very poorly designed system. In this case the moral responsibility resides with those culpable for the shameful system, not for people who need organs.
I agree. Mr LaRusso confirmed so himself. The current ill-conceived system deserves more attention than Jobs.
Summary: No.
It's pretty difficult to steal something that the medical industry doesn't consider you to own. At best he stole the medical industries' liver as they seem to have the most rights to organs.