Jesus, the entitlement on here. She didn't invite her collaborators to BST so that she could satisfy the people on these boards. She did it to give them a platform that most of them have never had. Her current setlist might be a little static, but she's very clearly very very comfortable with it and her performances of late have been spectacular.
If a performance of LTLI or Peppers had happened and had it been a little uncertain or under-rehearsed, would that have been satisfactory? I doubt it.