translation: America is worth big bucks to me and I hope I didn't kill the goose that lays my golden eggs
While it's certainly possible that a fourteen year old would have the presence of mind to utter deeply felt political beliefs only to retract those same comments after contemplating loss of a huge fan base and resultant loss of income, it's more than likely that a fourteen year old would act in similar fashion as most teenagers.
It cannot be assumed that Charlotte Church's incredible talent and success would have imbued her with adult restraint and wisdom. Age and immaturity alone are often predictive factors in displays of ignorant and impulsive behavior.
It is unfortunate that a fourteen year old's comments could arise from ignorance, and zero self control. However, impulsive behavior and poorly chosen words are certainly not atypical behavior for many contemporary teens.
If only all impulsive, poorly behaved teens were held up for similar public scorn as often as wealthy, successful and famous teens.