Yes, it’s a UNIX joke, because it refers to the difference between mechanical motivations and relatable ones.  The former: I want to give up my superpowers because my father is really not my father and I can’t do good because there’s too much evil.  Sound convoluted?  See Man of Steel.  And remember while watching: seeing Man of Steel is your punishment for questioning me.  Want a relatable motive?  You took my walkman and now I’m going to punch you into outer space.

Sorry about that. I forgot I was Superman.