In the book, Gandalf acted much as he always did in this meeting: Annoyingly Mysterious. You can’t really fault him, that’s his style. In the movie, it seemed like he was just being a jerk. I can’t fault him there either. If I came back from the dead as a nigh-invincible super-wizard, I’d probably run around doing this sort of thing to everyone.
Let's ruin everyone's fun by listing all the ways in which zombies can't work, couldn't happen, and don't make sense.
The Middle Ages
Would you have survived in the middle ages?
Games and the Fear of Death
Why killing you might be the least scary thing a game can do.
Joker's Last Laugh
Did you anticipate the big plot twist of Batman: Arkham City? Here's all the ways the game hid that secret from you while also rubbing your nose in it.
Game at the Bottom
Why spend millions on visuals that are just a distraction from the REAL game of hotbar-watching?