Indeed, although I also understand that many of those initiatives were taken from other sports/countries too.
(Not a criticism at all - it makes sense to copy things you have seen working elsewhere)
The pies and sausage rolls were from our very own Piglets Pantry.
I also spied Beavertown-battered tofu and chips on a concourse menu, which has to be the best veggie option I've seen in a ground anywhere. I didn't get a chance to try it though - any reports?