Well, Specialized is running a sale and also giving out rebates on a bunch of models.
https://www.specializedrebates.com/
Why they're fine with selling them out, I don't know. Maybe they didn't expect the demand to be quite so good, especially since they just went through a Future Shock recall.
I'm tempted to get a Roubaix Comp Di2. One of the local dealers said he's down to one unassembled one in my size. My partner will be happy if they sell out before I get a chance to head over.