You might consider it as bailing yourself and your Christmas out.
Take him out of the equation and do what gives you the Christmas you want.
Relying on an alcoholic is one of the riskiest things I know.
Sure, he should do his part but shoulda, woulda, coulda generally just frustrates me and wastes my time.
I don't like to be around people (family included) that I consider toxic to my satisfaction in life.
My sister is an alcoholic that throws great get-togethers and parties.
I hate them and try to avoid it as much as possible.