Off Topic: Did the people really expected too much about One Direction 表演 performance on iCarly so ended up under 4 million viewers on its premiere telecast?

Many people thought that a super 流行的 boyband can generate lots of viewers (over 5 million viewers) but it isn't, did we really expected too much already about them 或者 it just many of the kids/fans still 爱情 Big Time Rush?