When is sci-fi actually fantasy?

Far too often!

The Star Wars series turned me off with its very first film (whatever number that was in their all-too-cute numbering scheme). I knew immediately that it was basically a fantasy filled with references to Japanese ninjas, Edgar Rice Burroughs’s characters (even the names!), and Isaac Asimov’s plot devices (the Foundation). Where were the lawyers at that time who went after plagiarists? (Or the ones even now?) Jedi warriors and fairy-tale princesses with light sabers? C’mon! (Okay, ...