Unless you think that Demand has to be a set number of people always wanting the book. The numbers can change while there's still demand. I doubt the same exact number of people buy McDonalds every years yet people STILL buy it.
Demand doesnt have to be constant but it does have to be high enough to justify the expense of turning a comic out and Marvel arent going to release a comic unless they think it will sell, therefore a demand that will remain constantly above cancellation figures or a demand that will at least keep the book above cancellation figures for a good period of time will be needed. I dont reckon Alpha Flight has that.