What are piles of 7D doing at Costco??

We are used to see piles of boxes with equipment at Costco, foremost a consumer stuff. Entry level Canon and Nikon bodies were quite common, but a view of a man high pile of EOS-7D kits with 28-135 took me by surprise.

Do not worry, they will not sell them, and they do not cause a plummet in 7D price! They ask for ~$1700, if my memory serves. It is not a "bargain." I do not think that people will grab a "7D with the bundle of socks, 150 chicken nuggets and 84 yogurts in a box."

I am merely surprised about the appearance, and I wonder if the delayed successor announcement, combined with the large firmware upgrade has something do to with a large stock of unsold 7D's?

Thomas