Some of the comments here are just way too harsh and just sooooo..... not helping! Blame blame blame won't get anyone anywhere. I for one doubt Alissa right now is going "Gosh that was bad weekend but never mind, phewww....I feel much better now."
Is it just possible however hard you try, however ready you are prepared, on the day, it can just goes all horribly wrong? Particularly when there are something clearly bothering you that should not be there in the first place? Has anyone ever had one of those episodes in life? Be it in your school / professional exams, personal or professional life? If so, maybe then, it is not that hard to imagine that it too can happen to the best at the world championships?
I just hope Gracie Gold is not reading this thread. It sure could mess with her head too and be a motivation damper. Be ready to be berated by your own countryman the moment you did not live up to your billing. There's should be zero tolerance for error and you must deliver. For honour, for glory, for your country. Right... that is so very 1940s.
As for the USFSA 4CC issue, it comes down to good talent management. A good talent manager will always be mindful of the personality and characteristics of its pool of talents that made up individuals, each with unique needs, motivations, sensitivity to do their best. It is not about treating individual with kiddie gloves but about showing respect and paying attention to recognize the individuals. It is basic BIZ school 101, Human resourcing 101, why can't USFSA do the same? Unless wait... who manages the organisation? Is it by jocks? If so, it sure would have explained a lot. When an artist / singer / actor messed up badly, he or she should not be the sole one to blame. They are hired because they are competent at what they do through rounds of interview which they became qualified. However if their management did not provide the best condition where they can do their job, they should shed the most responsibility. Clearly there is communication failure between the managers and the talent in this case. Last year was Rachel, this year is Alissa, will they make it a third?