When I do watch bits of Masterchef I guess i focus on what they're doing and the food, not the contestants. I remember not wanting Julie to win was it last year? God knows what they're really like. Its like Jessica in Who Framed Roger Rabbit. "I'm not really bad, I'm just drawn this way." But generally, couldn't care less about them. I don't find them particularly great or annoying. They are just fodder for the editor.
Some of the food these untrained amateurs manage to pull off is pretty amazing though.