It does highlight how entitled she is - she literally has no need to book shows, it's not like she's doing it for the money, and can choose to cut back. I can't imagine a model who came from a less privileged background deciding to cancel shows because she was 'tired' .
Imagine ANYONE cutting back on work because they were tired. Haha, I'd love to be able to get out of work because I was tired - "oh sorry, I am not coming in this week because I am tired". My boss would love that