That's a very real thing. One imagines that the primary HQ2 raison d'etre is 'what if' Seattle ... that puts HQ2 east of the Mississippi ... and well inland ... So Bezos could do the most political damage in this order: Atlanta, Detroit, Cincy/Dayton/Columbus, Indy, or the Triangle (which I doubt).
The actual RFP is dry toast but there was an article that deep-dived...the takeaway being that Bezos will allow all silo heads to side with Seattle, OR new HQ2, OR split teams between. One presumes that when no one wants to leave Seattle, Bezos will rapidly ordain the latter option.