Then you would look at credits for each song on each of their albums. All of Beyonce's songs had 20-30 names listed for every song. Beck was listed for Beck's songs.
She is a corporate creation. I don't doubt her singing talent (though none of her music makes it on to my playlists) but she is performing the work of dozens of people, the face of a business. In other words, I agree with you... uninteresting as a superstar.