Well, stop motion is just one aspect of in-camera effects work, though. There's also prostheses, costumes, set design, etc. Look at older movies and take note of the gorgeous back drops that were simply painted on glass panes. That's basically a dead art form now that you can just conjure up a landscape with a green screen. Part of the appeal of The Creature From The Black Lagoon
is that the Gill-Man is so alive
. Even his gills move. He's able to interact with the leading lady in a way that a flatter CGI effect can't. I wish more movies would go with a mixed-media feel instead of completely relying on newer technology.
I'm sure that Smaug in the upcoming Hobbit
adaptation will be spectacular, but Dragonslayer
achieved a marvelous monster way back in the early '80s the old-fashioned way, and I'd argue she still knocks it out of the park: