I've never heard of blue moon referred to as a craft beer. I always had the sense that it was only a step down from bud light in terms of corporateness.
It may have been considered a notch above the normal macros maybe 15 years ago, before the whole craft thing went really nuts, but never itself a craft beer.
Hell, it was nationally distributed, available in every grocery store in the United States.
This is not a unique scenario. InBev owns Leffe and Goose Island, for example.
Regarding Blue Moon: in the US, at least, their marketing seems dedicated to working in the word "craft" as frequently as possible. I imagine it isn't actually legal for it to be marketed as a "craft beer," as that's a controlled term, but they certainly use both words in isolation.
On that note, Boston Beer Co (the ones behind Sam Adams) had been pushing for changes to the definition of "craft beer" so their mass-market beer could still fall under that heading. Specifically the 6mm barrel threshold mentioned in the Pricenomics article.
http://beerpulse.com/2011/01/brewers-association-enacts-sam-...
As I remember things, this first microbrew movement (as well as something of a homebrewing fad) sort of declined but it's more recently really roared back in force. On trend I've noticed recently is the big "craft" brewers like Sam Adams and Sierra Nevada have really expanded their lineups and come out with all sorts of limited time as well as higher-end products like barleywines.
I'm personally sick of having to associate every consumer product with some sort of public good or political cause.
I don't like blue moon, but if I did, the fact that coors brews it would not stop me from partaking.