Even worse, turns out the creche was free. Not that it was an issue to them, they were hardly poor, but it does mean they left the kids in daycare all day, then got them back just to put them to bed so that they could go out with mates. They could have left them in the care of the hotel and got them after the meal, but they probably knew they'd be a bit worse for wear and didn't want the hassle. They even admit to leaving the patio doors unlocked so that they didn't have to go round the front, those being the doors they said they could see from inside the restaurant but actually couldn't.
But no, no responsibility at all. They must be good parents, they met the pope because of this!