Interesting that on last night's twitcam Luke says that BB12 looked like a much nicer house than BB13, because I have always said that and got savaged on the MF. I can say it here because even if people disagree, they probably won't savage me. I think people don't want to think it because they disliked Jay so much, but in BB12, most people, including Jay and Aaron, got on pretty well with everyone else. Apart from the row over the birthday presents Jay and Aaron were reasonably good friends in BB12; on the exit night, they embraced each other, and Jay said he was glad Aaron had won. And of course the money split could only have been arranged because they were friendly and getting on well by then. There was no equivalent to the house split of BB13; no bullying; no one excluded from the main group.
It is also interesting that Luke went on to say that he might not have won in BB12 because he benefited from having the big contrast in behaviour with the insiders, which may be true as well (though I would still have supported him just as much, and voted just as much; but for me BB12 suffered badly by having no one I really supported after week 4).
It is always hard to imagine a housemate from one series in a different series, but maybe the very divided, often positively nasty BB13, arduous as it was at the time, suited him in terms of winning public support. I suppose we should be thankful that he wasn't in BB6 having to live with ogres like Craig Coates and Lesley Sanderson.