Two main points.
Ok... It May Be Because I'm Writing A Pretty Disturbing Book, But I Dont Understand How People Are Upset. Whatever...
Also, I Agree With Some Other People. The Ending Ruined It. A Better One Would Have Been The Deck Being Sprayed Down, And Another Person Being Lowered Onto It, And Seeing The "SMILE!" sign Lowered, So We KNOW What's About To Happen Again, And Again, And Again...