We are dragged along by four dimensions as they expand, but we can still move freely in the other three, but not time. Coincidence? Yeah, probably, but maybe not.
Yep -- Because there's nothing kids love more than movies about taxation. Lucas only selectively claims they are aimed at kids when he wants to rationalize how lousy they are.
The truly weird thing is making droids to be disposable and treating that way in society, but also instilling fear and a sense of suffering in them in the first place. When they were designing droids, who thought, "I know: Let's program them to scream in terror when they die!"? If you're designing something to be used with no more thought than an electric toothbrush, why make them think they are people?