But it fails miserably. Or rather, it fails due to the abuse of it by those who employ it. Be they the characters, the games masters / dungeon masters, the film makers and the writers. Why?
Okay, let's look at J.K. Rowling's brilliant (yes, I've read them all and love them to bits, and the films equally so :P) 'Harry Potter'; here we have an alternate society, possibly even an alternate universe, where things are magically created, controlled, repaired, healed and hidden (and the list could go on a tad longer).