We decided to play the NEC because we were asked to, and because we actually rather like the place: we've always enjoyed doing it before. We don't often get sensible offers to play in the UK, so most years we just play on the mainland, with the occasional exotic detour.
But since you're asking me, I'll tell you my opinion: all cornbread is authentic, as long as it's good, hot, and made with love and fresh ingredients.
I used to hate, with a capitol H, making videos. It was nothing but a chore. It was something you had to do to have your music accepted in the visual medium.