User blog comment:Kaloneous/Mass Effect 3 Ending DLC Denied and PAX/@comment-4945364-20120405200733/@comment-118213-20120405222431

I think the indoctrination theory works because intended or not it gives BioWare the ability to easily add better ending(s) without making the game and the current ending meaningless, and obvious retcon to a minimum.

It would also give BioWare a face-saving fix.