I wouldn't read too much into it. The announcement is obviously not live as Holly and Dec have to get back to the 'studio' set. For all we know the rucksacks might just be props handed to them when they leave. Don't forget that the camp were going through what Edmunds left behind!!
Another one here who doesn't agree with you. She's doing fine. It would be dumb if she just tried to mimic what Ant would do. It's a different dynamic.