Some interesting opinions here regarding what constitutes a plot hole
SPOILERS OF DOOM
Her jetting off with possibly no food or supplies at the end is not a plot hole. It's a good question to ask how she will sustain herself, but it's not a plot hole. If it had said "3 weeks later" and she was still alive, and at some point they had said there was definitely no food on board, then it would be a plot hole
leave britney alone