As I recall her husband was raking in 100K for EACH of his many appearances after that gig, so I don't think they were hurting too much.
My impression is she is thinking that a sort of Queen of the world lifestyle is what she deserves, and having to, well, you know, actually do stuff to get people to give you money was beneath her station. Of course I was never shot at in Iraq as she was, so what do I know?