Ever notice how one way that a new movie's success is measured is by the amount of ticket sales the first weekend it opens? The first weekend. So how can you say with that that the movie is a good one? Unless people go to see the movie, they can't give their reviews, can they? And people are not very discriminatory in this country with the movies they see (look at all the crappy movies that are released every year). So just because they went to see it for the FIRST time doesn't mean the movie's a success.
That's almost like saying that by simply existing, just being, people are contributing to the world. And we all know that's not true.