It just sounds like the kid couldn't hack the grind.
"I was cutting myself. People saw me cutting myself."
Epic attention whoring. I would guess her natural talent provided her a life of praise fueled effort. Once she was just another thoroughbred around hard nosed people accustomed to thoroughbreds, it turned out her engine couldn't run on criticism. She retreated into dramatica and continues to make "not my fault, I'm super talent, meanies are mean" wash-out's lament videos.
Guess that's unsympathetic. But at that level a ruthlessness is to be expected. Put in the work, adhere completely to the program, and get winning results. Or fuck off. Because if you won't then the next person, who would very much like to be here, absolutely will.