The Dead Parody Sketch

Take a look at this.

Now, answer the following questions. Five points per question, show all working, write on one side of the screen only.

1. What the Dell? 2. It's a parody of Spamalot. Or is it Jab-Jab. Or is it South Park. But why? 3. Why did they forget to bring the funny? 4. Is it possible, under UK law, to sue an American company on the grounds of complete pointlessness and waste of four minutes of one's life? 5. And has it, as has been suggested, got anything to do with Oracle's Red Hat adventures?