Sal, you are spot on. Kudos to the folk who ran this event for their ambition and tenacity. It was wonderful to see this line up of guests in London, and I think the Excel worked well apart from the heat and lack of seats.
The very worst was Stage B organisation and in particular the lack of clearing of the room after each talk. A firm announcement of the rules at the beginning of each talk would have deflected the anger of those who didn't want to leave the front seats they'd been in for goodness knows how long, and prevented the anger of those who had queued for up to 2 hours before the