That doesn't mean a manager can't monitor the situation to ensure that the rink or the producer does what they were supposed to do, or should do. That's part of providing managerial services to your client. And saying you are too busy with your other clients is not fair to everyone else you represent.
Perhaps her focus has shifted? Tweet from Aug 1:
I've never been so proud! I am the agent of an Olympic bronze medalist!!! I love you @DanellJLeyva @CoachYinsanity pic.twitter.com/ckyLVBt1