I don't think it is very precise at all, not to mention precision isn't ever an indication of legitimacy. The only hoaxes that ever work are the ones that are precise about the details.
Confectionery and pies are not one in the same though. From websters:
confectionery - 1 : the confectioner's art or business 2 : sweet foods (as candy or pastry) 3 : a confectioner's shop
Now a pie is a sweet food usually, true, though confectioners are usually considered to be places like See's Candies, Hershey, Mars etc. Pies are usually a product of bakeries instead of confectioneries. It does not add up to anything to me. If something comes through officially, then I can believe it, but why would this "last" game also be one of the smallest? (number of cities that is, and yes I know the CFB thing only involves two, but all the Joker games involved close to 20 or more cities).