[Al Skierkiewicz]

OK,
Sorry to weigh in here, but...
I work on Einstein and see this period from a different view than the stands. Last year, is was a rain storm of paper that went on for hours. Some of those planes ended up in the LED video board above the stands. Removing them would be a costly fix for venue staff. But check out the picture below. This is one of at least four piles of similar size that were swept up during the Einstein program. I did not get a picture of the piles after the crowd moved to the finale. Yours may have only been one of these, but they add up.