Yeh, if I could say one thing to the girl, it would be "stay off twitter etc for the foreseeable as every racist / wannabe culture warrior is using your situation to say ever more ludicrous things to gain attention they crave. Just be with your friends and family"
There's unbelievable pressure on young athletes. A sport like Gymnastics where you get a few seconds to get right a lifetime's work is pressure itself, but when you're the poster person, for the sport, the nation and the games as well, this can't be unexpected.