Well...they either didn't have the resources to get them done. Or...more likely, they get everyone in a frenzy so more people will buy the bits if they delay them a short time.
I appreciate a free market economy and respect the rights of businesses to do what's in their best interest. At the same time, there is somethig to be said for giving the customer what they want, when they want it.
They will be here before you know it and then we can show them to family and friends and get to work on repairing closet doors and plumbing repair.